Radiation Physics Quiz Question & Answers (Total 50 MCQs) Radiation Physics Online Mock Test (high Level) Please wait while the activity loads. If this activity does not load, try refreshing your browser. Also, this page requires javascript. Please visit using a browser with javascript enabled. b) only if the temperature of the surface is high . Malik Xufyan Malik Chemistry Analytical Instrumentation Questions and Answers – Spectral Method of Analysis This set of Analytical Instrumentation Multiple Choice Questions & Answers (MCQs) focuses on “Spectral Method of Analysis”. The intensity of the solar radiation is the average solar power per unit area. 17. GK4Success on Mobile 1 If the earth were ... Only if the frequency of the incident radiation is above a certain threshold value (B) Only if the temperature of the surface is high ... Vapour pressure thermometer Computed tomography (CT) of the head requires a higher radiation dose than CT of the chest. & C. Free PDF Download of CBSE Biology Multiple Choice Questions for Class 12 with Answers Chapter 16 Environmental Issues. (13.1.3), we readily see that the displacement current Id is related to the rate of increase of charge on the plate by … For every 10 metres you descend the pressure increases by 1 atmosphere May 22,2021 - Test: Physical World, Units And Measurements - From Past 28 Years Questions | 40 Questions MCQ Test has questions of NEET preparation. We hope the given NCERT MCQ Questions for Class 11 Chemistry Chapter 5 States of Matter with Answers Pdf free download will help you. $\begingroup$ Why would the pressure be dependent on the radius? a) only if the frequency of radiation is above a certain threshold value. They move further away from high pressure c. It is caused by the Appalachian Mountains d. It is caused by the low becoming vertically stacked and highly occluded Satellite and Radar (71-90) 71. Radiation therapy can induce heart disease if any part of the heart is exposed to radiation. 1 minute b. Dew point is _____ a) Amount of actual water vapour present per unit volume of air b) Incoming solar radiation c) A low pressure system in lower atmosphere d) A temperature at which a given sample of air becomes saturated Solution. Radiation can be detected by several methods. Question 1. radiation pressure is , where P rad is the radiation pressure and A is the sail area. The radiation emitted by a black body is known as (A) Black radiation (B) Full radiation (C) Total radiation (D) All of these Correct Answer 9. This test is Rated positive by 92% students preparing for NEET.This MCQ test is related to NEET syllabus, prepared by NEET teachers. NEET Physics Notes Optics- Photoelectric Effect -Photon Photon In interaction of radiation with matter, radiation behaves as if it is made up of particles called photons. 25. If any external pressure is applied to a confined fluid, the pressure will be increased at every point in the fluid by the amount of the external pressure is known as _____. Regarding ionizing radiation in the angiography suite: (a). For water, at pressures below atmospheric, (a) melting point rises slightly and boiling point drops markedly (b) melting point rises markedly and boiling point drops markedly (c) melting point drops slightly and boiling point drops markedly (d) melting point drops slightly and boiling point drops slightly m = tanθ = tan 450 = 1. The radiation pressure of an electromagnetic wave is directly proportional to its energy density. The dimensions of are (a) [M 0 L 0 T 0] (b) [MLT –1] (c) [ML 2 T –2] (d) [ML –1 T –1] [CBSE AIPMT 1993] 10. If you have any queries regarding CBSE Class 11 Chemistry States of Matter MCQs Multiple Choice Questions with Answers, drop a comment below and we will get back to you soon. a its speed is the same in all materials. LPSV lamps are economical to use in road lighting and security lighting … The transition from the state n = 4 to n = 3 in a hydrogen like atom results in ultraviolet radiation. This includes the momentum of light or electromagnetic radiation of any wavelength which is absorbed, reflected, or otherwise emitted (e.g. Absorptivity of a body will be equal to its emissivity (a) at all temperatures (b) at one particular temperature (c) when system is under thermal equi-librium (d) at critical temperature (e) for a polished body. In Mercury arc lamp , Mercury vapour is stored under high pressure and excitation of Mercury atom is done by electric discharge. Calculate the intensity of solar radiation at the given distance from the Sun and use that to calculate the radiation pressure. There are basically two types of controls, Control on the process of sterilization i.e. The correct sequence of energy transfer that occurs when an apple falls to the ground is: [NDA 2019) (a) gravitational potential energy – heat energy to air – kinetic energy – heat energy to ground and apple – sound energy (b) gravitational potential energy-sound energy-kinetic energy – heat energy to air – heat energy to ground and apple The luminous efficacy of the LPSV lamp is around 150-200 Lumens/Watt. Reynolds number (RN) is given by (where h = Film coefficient, l = Linear dimension, V = Velocity of fluid, k = Thermal conductivity, t = Temperature, ρ = Density of fluid, cp = Specific heat at constant pressure, and μ = Coefficient of absolute viscosity) a) RN = hl/k b) RN = μ cp/k c) RN = ρ V l … Boyles law states that the volume of a gas is inversely proportional to its pressure at a given temperature. What determines the thickness of the layer released by a linear tomography A. the voltage generating X-rays; B. change the speed of the rod; C. given motion angle X-ray; D. All above variants.+ 164. A. a. surface pressure ; b. gage pressure ; c. standard atmospheric pressure ; d. isobaric pressure ; 274. Given the various physical characteristics of ultrasound, then it is true that. - Physics Stack Exchange How to calculate radiation pressure? For EM waves E = c P, where P is momentum. So W = σ T 4 = c ( d P / d t) / A = c ( F / A) = c p, where p is pressure. Explanation: Change in enthalpy occurs when heat is given to a system at constant pressure. These MCQ Questions on Winds, Storms and Cyclones Class 7 with answers pave for a quick revision of the Chapter thereby helping you to enhance subject knowledge. black-body radiation) by matter on any scale (from macroscopic objects to dust particles to gas molecules). This contains 20 Multiple Choice Questions for Mechanical Engineering Radiation - MCQ Test 1 (mcq) to study with solutions a complete question bank. Easier to grow crystals since the vapor pressure Arsenic is high 4. Heat is transferred by all three modes of transfer, viz. A widened pulse pressure usually signifies significant blood loss. Multiple Choice Questions (MCQ I) 1- One requires 11eV of energy to dissociate a carbon monoxide molecule into carbon and oxygen - atoms. Infrared radiation will be obtained in the transition from (a) 2 → 1 (b) 3 → 2 (c) 4 → 2 (d) 5 → 4. Which of the following flow-measuring elements is inherently linear and requires no signal characterization (e.g. at the pressure below its vapor pressure can be used to measure temperature down to 1 K. High temperature: For high-temperature measurement upto 500°C the standard hydrogen gas thermometer with platinum-iridium bulb can be used, and for the temperature upto 1100°C porcelain bulb is used. 1. 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Multiple Choice Questions I ... Answer: c) ultraviolet region 8.2. Biology MCQs for Class 12 Chapter Wise with Answers PDF Download was Prepared Based on Latest Exam Pattern. Radiant efficiency of the luminous source depends on,2.Light waves travel with a velocity of,3.Carbon arc lamps are commonly used in,4.The unit of solid angle is-steradian, 5.Candela is the unit of-Luminous intensity.etc Radiation B. Convection C. Conduction D. Evaporation E. Vasodilatation F. None of the above CM02 All are ways of measuring O2 in a gas mixture EXCEPT: A. Paramagnetic analyser B. Clark electrode NEET Biology Famine Multiple Choice Questions make you feel confident in answering the question in the exam & increases your scores to high. Gases absorb and emit radiant energy. 2. c. Sublimation. 3. 1. Flow Measurement Multiple Choice Questions. The pressure is equal to twice the electromagnetic energy intensity if the wave is reflected and equal to the incident energy intensity if the wave is absorbed. Following is the list of multiple choice questions in this brand new series: ... What refers to the pressure at which a pure substance changes phase at a given temperature? Take the Quiz for competitions and exams. Find NCERT Exemplar Solutions for CBSE 12th Physics, Chapter 8 – Electromagnetic Waves here. The inverse square law states that the dose of radiation increases with distance from the source. Mechanical Engineering MCQ Thermodymics Answer : a 54. In freeze drying the removal of moisture takes place due to: a. Boiling. Henry’s law states that the amount of gas dissolved in a liquid is proportional to it partial pressure. In the inverse piezoelectric method, mechanical pressure produces an electric field. Using Equation 22.4, along with the result from Step 2, to determine the radiation pressure, we get. 7. Q78. a) Radiation is absorbed by non-excited atoms in vapour state and are excited to higher states b) Medium absorbs radiation and transmitted radiation is measured c) Colour and wavelength of the flame is measured d) Only wavelength of the flame is measured. The following section consists of Chemistry Multiple Choice questions on Basic Chemical Engineering. Automatically when there is weight on the nose wheel B. The effective rate constant (keff) is given … 36. d. Pressure reduction. Chapter 3. Kinetic Theory of gases and Radiation. The capacity ratio of heat exchanger is (a) 0.25 (b) 0.40 (c) 0.50 (d) 0.55. Step 4 – Determine the sail area required to balance the gravitational force exerted on the 75 km/s/Mpc. At sea level the absolute pressure is 1 atmosphere. Collimating system :-The radiation emitted by the radiation source is collimated by lense, mirror and slits. (c) radiation (d) conduction and radiation combination. The number of unoccupied energy states in a given interval of energy. (c) ultraviolet region. We hope the given NCERT MCQ Questions for Class 11 Geography Chapter 9 Solar Radiation, Heat Balance and Temperature with Answers Pdf free download will help you. Which of the following parameters is constant for a mole for most of the gases at a given temperature and pressure (a) enthalpy (b) volume (c) mass (d) entropy (e) specific volume. Radiation pressure is given by P R = c (1 + α) I where α is the coefficient of reflection of the surface. Check the below NCERT MCQ Questions for Class 11 Geography Chapter 8 Composition and Structure of Atmosphere with Answers Pdf free download. … a. c. pressure in gas enclosure. Q.40. Physics MCQs For Entry Test And Lecturer Job Test Interviews A hydraulic pressure safety switch that monitors the amount of fluid pressure required to slow the aircraft. From Eq. Lenses:- Materials used for the lenses must be transparent to the radiation being used. 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Multiple Choice Questions (MCQ II) An electromagnetic wave travels in vacuum along z direction: Choose the correct options from the following: (a) The associated magnetic field is given as (b) The associated magnetic field is given as (c) The given electromagnetic field is circularly polarised. CBSE Class 7 Science Multiple Choice Questions(MCQs) & Answers CBSE Class 7 Science QUESTIONS CBSE Class 7 Science Multiple Choice Questions(MCQs)& Answers 1 When wind speed increases, air pressures A decreases B increases C remains constant D … The main advantage of a “dip tube” or “bubbler” system for level measurement is that: (A) It isolates the pressure transmitter from the process fluid (B) It always elevates and never suppresses the calibration range (c) Infrared radiation. When heat is transferred form hot body to cold body, in a straight line, without affecting the intervening medium, it is referred as heat transfer by (a) conduction (b) convection (c) radiation (d) conduction and convection (e) convection and radiation. Assuming that the material of the wall is optically ... An EM wave of intensity I falls on a surface kept in vacuum and exerts radiation pressure p on it. Ans: d. 97. All of these MCQs objective type question answers are important for PPSC, CSS, PMS, NTS, PTS, OTS, CTS, SPSC, BPSC, KPPSC, FPSC and others entry tests preparations online with solved answers. MCQ Questions for Class 11 Geography with Answers were prepared based on the latest exam pattern. Are we talking about a spherical cavity filled with black-body radiation? In Figure 13.1.2, the electric flux which passes through S2 is given by 0 E S Q dEA ε Φ=∫∫EA⋅== GG w (13.1.5) where A is the area of the capacitor plates. c. 4. ... Platelets should be considered after 10 units of RBC’s given. A linearly polarized electromagnetic wave given as is incident normally on a perfectly reflecting infinite wall at z = a. (A) Least at the inlet of the first … The MCQ Questions for NEET Physics with answers have been prepared as per the latest 2021 NEET Physics syllabus, books and examination pattern. Where v is the velocity of oil a distance x from the axis of the tube. Hence, at 9.0 × 10 10 m 9.0 × 10 10 m from the center of the Sun, we have In a heat exchanger, the hot liquid enters with a temperature of 1800C and leaves at 1600C. Radiation pressure Prad due to light falling on a non-reflecting surface at normal incidence is given by Prad = Energy fluxSpeed of light = 18 Wcm23 × 108 m/s … (d) … (a) X-rays. a. in all wavelengths over the entire spectrum (λ = 0 to ∞) The Helium. At constant pressure a) pdv=d(pv) b) dQ=du+d(pv) c) dQ=d(u+pv) d) all of the mentioned Answer: d Explanation: For a constant pressure process, dQ=du+pdv. (A) Differential pressure transmitter (B) Guided-wave radar (C) Ultrasonic (D) Float and tape . Ans: C 20) How are the NLG centering cams disengaged? In regenerator type heat exchanger, heat transfer takes place by The Following Section consists of Thermodynamics Questions on Physics. Infrared or Radiation Pyrometers. LPSV lamps are not instant starting and take almost 5-10 minutes to come to full glow. Key concept: Radiation pressure (p) is the force exerted by electromagnetic wave on unit area of the surface, i.e., rate of change of momentum per unit area of the surface. Let us consider a surface exposed to electromagnetic radiation as shown in figure. The trauma views of C-spine, CXR and pelvis have combined radiation of less than 1.0 rad and so are relatively safe in pregnancy. Ans: a . 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The MCQ Questions for Class 11 Physics with answers have been prepared as per the latest 2021 syllabus, NCERT books and examination pattern suggested in Standard 11 by CBSE, NCERT and KVS. 16. How is the wavelength of radiation (λ) calculated, when propagation velocity (C) and frequency (ν) of the radiation is given? Students can solve NCERT Class 12 Biology Environmental Issues MCQs Pdf with Answers to know their preparation level. Answer all of the following multiple choice questions (50%): 1. (b). Basic Science (MCQ) (Pages :22) <<< Back. (b) γ-rays. Ans. the ratio of actual mass of water vapour in a given volume of moist air to the mass of water vapour in the same volume of saturated air at the same temperature and pressure ⇒ In aircraft, air refrigeration Cycle is used because of low weight per tonne of refrigeration high heat transfer rate low temperature at … These pyrometers are designed to detect thermal radiation in the infrared region, which is usually at a distance of 2-14um. a) Geiger Muller counter b) Proportional counter c) Semiconductor detector d) Flame emission detector. A first order gaseous phase reaction is catalysed by a non-porous solid. The solved questions answers in this Radiation - MCQ Test 1 quiz give you a good mix of easy questions and tough questions. (d) microwave region. Which among the following factors is/are taken into account in calculation of radiation emitted or absorbed by a gas layer? On a NEXRAD velocity display, air moving away from the radar site will most likely be given a … Ans: c. 98. Ans: c) the absolute temperature of the gas Dual Nature Of Radiation And Matter. We know that, the critical depth for tringular channel section is given by Ans: a and b. MCQs on Famine. All above variants+ 163. Free PDF Download of CBSE Physics Multiple Choice Questions for Class 12 with Answers Chapter 8 Electromagnetic Waves. Select the correct answer from the given choices. D. Rate of radiation Correct Answer : A The Number of Transfer Units is a method used to calculate the rate of heat transfer in heat exchanger when there is insufficient information to calculate the Log-Mean Temperature Difference (LMTD). Chapter 15 Multiple choice questions and answers. Direct Solar energy is used for ... given by (A) Hourly beam radiation Hourly diffuse radiation (B) Hourly beam radiation – Hourly diffuse radiation ... high pressure 48. Chapter14. Which of the following characteristics of diagnostic ultrasound applies also to X-radiation? A. Equilibrium pressure ; B. You will get solutions of MCQ I, MCQ II, VSA, SA and LA. Multiple Choice Questions (MCQ) with Answers 1. sqaure-root extraction) anywhere in the loop? Multiple Choice Questions of Electric Illumination 1. The best estimate for the Hubble parameter given in the text, based upon data known at the time of publication, is a. Answer: d. Explanation: Flame emission detector is not a type of radiation detector. Answer : b 55. If partial pressure of air and steam be pa and ps respectively in a condenser, then according to Dalton’s law, the pressure in condenser is equal to (a) Ps-Pa (b) pa-ps (C) Pa+P, Ans: c. 12. (c). b. oxygen contained in a high pressure chamber is allowed to "explode" onto a layer of irradiated tissue at given time intervals after irradiation. Thermal Radiation - MCQs with Answers -Nisha Ghosh (06/24/17) This is very helpful.But please supply more questions and answers for practice.-thank you. a. thickness of the gas layer. | Aircraft Management Mcqs A. It is essential that the process of sterilization must have strict control to ensure absence of viable organisms in the sterile products.. NEET UG Physics Electromagnetic Waves MCQs with answers available in Pdf for free download. Sterility Indicators or Sterility Monitors. For completely reflecting surface α = 1 For completely absorbing surface α = 0 So, radiation pressure depends on the nature of surface on which the light is falling but … We hope the given NCERT MCQ Questions for Class 11 Geography Chapter 9 Solar Radiation, Heat Balance and Temperature with Answers Pdf free download will help you. (d) The given electromagnetic wave is plane polarised. d. hypoxic cells become oxygenated after a dose of radiation. Applications of LPSV Lamps. a) Membrane filtration b) Ionizing radiation c) Deep freezing d) All of the above 25) The typical termperature for an autoclave (operating at 15pounds per square inch of pressure) is a) 121 o C b)100 o C c)63 o C d)73 o C Which of the following is the principle of Flame emission photometers? In a forward feed multiple effect, the pressure build up will be. Answer Answer: (d) λ IR > λ UV also wavelength of emitted radiation λ α 1/ΔE Its CCT is less than 2000K and the average life is around 18000 burning hours. The associated force is called the radiation pressure force, or sometimes just the force of light. 1. The ratio of contributions made by the electric field and magnetic field components to the intensity … Problems can occur several years after exposure and include accelerated coronary artery disease, stiffening of the heart muscle, inflammation and thickening of the pericardial sac, problems with electrical conduction, or damage to heart valves. There are twenty questions in this quiz. We have provided Composition and Structure of Atmosphere Class 11 Geography MCQs Questions with Answers to help students … Equivalent evaporation is the amount of water evaporated in a boiler from and at (a) 0°C (b) 100°C (c) saturation temperature at given pressure MCQ Based On Hall Effect 1. 1 year c. 1 second d. 1 hour e. 10,000 years 2. This radiation can be directed to a … (b) infrared region. c. oxygen diffuses to the necrotic center of the tumour. Multiple Choice Questions for important part of exams for Grade 11 Physics and if practiced properly can help … CBSE Class 11 Physics Thermodynamic MCQs with answers available in Pdf for free download. Physics MCQs for Class 12 Chapter Wise with Answers PDF Download was Prepared Based on Latest Exam Pattern. Radiation Detectors Questions & Answers. Q:15. (c) radiation (d) conduction and convection (e) convection and radiation. 11. Free correction modulus is given by a) p 2 β g c P /µ b) p 2 β g c P /k c) p 2 β g c P /µ k d) p 2 β g c P Answer: c Explanation: It contains only fluid properties and is called the free convection modulus. b. conduction, convection and radiation in (A) Electric heater (B) Steam condenser (C) Boiler (D) Refrigerator condenser coils Correct Answer 10. . physics mcq. We have put total 50 Objective Type Question Answers on Radiation Physics, you can practice these question answers for free.Well you can also check list of Online Medical Entrance Mock Test / Quiz question comes from different areas on Medical.. When an electromagnetic wave incidents on a surface, the total energy transferred to the surface is … A simple discharge lamp is shown in Fig. d. all of the above. MCQ 7.14 If plate 1 is also diffuse and gray surface with an emissivity value of 0.8, the net radiation heat exchange (in kW/m2) between plate 1 and plate 2 is (A) 17.0 (B) 19.5 (C) 23.0 (D) 31.7 YEAR 2008 ONE MARK MCQ 7.15 For flow of fluid over a heated plate, the … b. Condensation. It measures the temperature of a targeted object from the emitted radiation. (d) radiation (e) radiation and convection. Radiation pressure is defined as the force per unit area exerted by electromagnetic radiation, and is given by P_{\rm rad} = {F\over A} = {{dp\over dt}\over A} = {1\over c}\Phi_E, where p is the momentum, c is the speed of light, and \Phi_E is then energy flux. MCQ’S (1 Mark Each) 1) The electrons are emitted in the photoelectric effect from a metal surface. The wavelength of the electromagnetic radiation depends upon the nature of gas and the gaseous pressure used inside the lamp. A perfect gas at 27°C is heated at constant pressure till its volume is double. 2- A linearly polarized electromagnetic wave given as is… c) at the that is independent of the nature of metal. 8.2 A linearly polarized electromagnetic wave given as ˆcos() –t Ei= Eo kz ω is incident normally on a perfectly reflecting infinite wall at z = a. The free convection coefficient is given by h = C 1 d t m /l … EVOLUTION MCQ – 08 (Advanced) (For PG Level Competitive Examinations: Set-3) Dear Students, Welcome to Evolution MCQ-08.This MCQ set consists of Advanced (Post Graduate Level) Evolution / Phylogeny / Phylogenetics Multiple Choice Questions with Answer Key. All these questions were taken from the previous year question papers of CSIR JRF NET Life Sciences Examination. Correct Answer 8. Which of the following is called heat radiation? The minimum frequency of the appropriate electromagnetic radiation to achieve the dissociation lies in (a) visible region. From the pressure and area, calculate the force. $\endgroup$ – Maxim Umansky Dec 23 '19 at 4:19 $\begingroup$ No. 43. If the addition of heat does not change temperature it is known as: B. Gases under high pressure are routed through the tube side, because high pressure gases are corrosive in nature C. Gases to be heated/cooled is normally routed through the shell side, because the corrosion caused by the cooling water or steam condensate remain localised to the tubes D. All A, B. b. The universe became matter dominated approximately _____ after the big bang. The pressure difference between the two ends of the tube is p. the viscosity of oil is given by. Energy (stiffness) radiation emitted by the X-ray tube depends on: A. MCQ.
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