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Sunday, February 7, 2016

PAPER III BASIC PHYSICS AND NUCLEAR PHYSICS Dr. MGR University 2011 - 2015 Question Papers

Dr. MGR University AUGUST 2011 Question Paper
Subject : PAPER III – BASIC PHYSICS AND NUCLEAR PHYSICS

[KZ 0811] Sub. Code: 2103
B.Sc. NUCLEAR MEDICINE TECHNOLOGY
FIRST YEAR
PAPER III – BASIC PHYSICS AND NUCLEAR PHYSICS
Q.P. Code: 802103
Time : Three Hours Maximum : 100 marks
Answer ALL questions
I. Elaborate on: (3 x 10 = 30)
 1. Describe the different process of radiation decay. Compare the properties of alpha,
 beta and gamma rays.
 2. What are the interactions of radiation with matter? Describe any two of them in detail.
 3. Discuss at length
 a) Derive the relationship between decay constant and half life
 b) Radio isotopes used in Nuclear Medicine with type of emission and application for
 each.
II. Write notes on: (8 x 5 = 40)
 1. Properties of Electromagnetic radiation.
 2. Photoelectric effect.
 3. What will be the activity of a radioactive substance after 4 half lives if the initial
 activity is 200 Ci?
 4. Binding forces between nuclear particles.
 5. Briefly describe about the total attenuation coefficient and give its Clinical importance.
 6. Define with units a) Absorbed dose b) Effective dose and c) Equivalent Dose.
 7. Principle, construction and working of a moving coil galvanometer.
 8. Describe the factors affecting the quality of radiation.
III. Short Answers on: (10 x 3 = 30)
 1. Properties of gamma rays.
 2. Voltmeter.
 3. Joule’s law.
 4. Electromagnetic radiation spectrum.
 5. Half life.
 6. Give two differences between Alpha rays and Beta rays.
 7. Attenuation and absorption.
 8. Electromagnetic spectrum.
 9. Fluorescence and Phosphorescence.
10. State Inverse square law.
*******

Dr. MGR University FEBRUARY  2012 Question Paper
Subject : PAPER III – BASIC PHYSICS AND NUCLEAR PHYSICS 

[LA 0212]  Sub. Code: 2103
B.Sc. NUCLEAR MEDICINE TECHNOLOGY
FIRST YEAR
PAPER III – BASIC PHYSICS AND NUCLEAR PHYSICS
Q.P. Code: 802103
Time : Three Hours Maximum : 100 marks
Answer ALL questions
I. Elaborate on: (3 x 10 = 30)
 1. What is radioactivity? Derive the decay equation N = Noe(-λt).
 2. Describe with a neat diagram the construction and working of a moving
 coil galvanometer. Describe how it can be converted into an ammeter and voltmeter.
 3. Write notes on the following:
 a) Compton effect b) Photoelectric effect c) Pair production.
II. Write notes on: (8 x 5 = 40)
 1. Derive half life of the radioactive source.
 2. Fluorescence and Phosphorescence.
 3. Direct current and alternating current.
 4. Properties of x-rays.
 5. The exposure rate at 1 meter distance from a radioactive source is measured
 as 200 R/hr. What will be the exposure rate at a distance of (i) 2 meters
 (ii) half a meter?
 6. Artificial radioactivity.
 7. Electromagnetic induction.
 8. Radio isotopes used in Nuclear Medicine.
III. Short Answers on: (10 x 3 = 30)
 1. Ionization.
 2. Ohm’s law.
 3. Half Value Layer.
 4. Linear attenuation coefficient.
 5. Inverse square law.
 6. Electron volt.
 7. Photon.
 8. Roentgen.
 9. Lead equivalence.
10. Decay constant.
*******

Dr. MGR University AUGUST 2012 Question Paper
Subject : PAPER III – BASIC PHYSICS AND NUCLEAR PHYSICS 

[LB 0212] Sub. Code: 2103
B.Sc. NUCLEAR MEDICINE TECHNOLOGY
FIRST YEAR
PAPER III – BASIC PHYSICS AND NUCLEAR PHYSICS
Q.P. Code: 802103
Time : Three Hours Maximum : 100 marks
 (Answer ALL questions in the same order.
I. Elaborate on: Pages Time Marks
 (Max.) (Max.) (Max.)
 1. Describe the mechanisms of radioactive decay.
 Compare the properties of alpha, beta and gamma rays. 7 20 min. 10
 2. Explain: a) electric charge b) electric potential
 c) electric current. 7 20 min. 10
 3. Explain Photoelectric effect, Compton effect and
 Pair-Production process and discuss the relative
 importance of each at various photon energies. 7 20 min. 10
II. Write notes on:
 1. Periodic Table. 4 10 min. 5
 2. Fluorescence and Phosphorescence. 4 10 min. 5
 3. Binding energy. 4 10 min. 5
 4. What is meant by isotopes? Give examples. 4 10 min. 5
 5. Physical, biological and effective half life. 4 10 min. 5
 6. Derive N = Noe
(-λt). 4 10 min. 5
 7. Direct current and alternating current. 4 10 min. 5
 8. Define with units a) Absorbed dose b) Effective dose
 c) Equivalent Dose. 4 10 min. 5
III. Short Answers on:
 1. Radiation. 2 4 min. 3
 2. Atom. 2 4 min. 3
 3. Difference between X-rays and Gamma rays. 2 4 min. 3
 4. Define Becquerel and Curie. 2 4 min. 3
 5. Joule’s law. 2 4 min. 3
 6. Linear attenuation coefficient. 2 4 min. 3
 7. What will be the activity of a radioactive substance
 after 3 half lives if the initial activity is 120 Ci. 2 4 min. 3
 8. Isomeric Transition. 2 4 min. 3
 9. Ohm’s law. 2 4 min. 3
10. Voltmeter. 2 4 min. 3
*******

Dr. MGR University AUGUST 2013 Question Paper
Subject : PAPER III – BASIC PHYSICS AND NUCLEAR PHYSICS 

[LD 0212] Sub. Code: 2103
B.Sc. NUCLEAR MEDICINE TECHNOLOGY
FIRST YEAR
PAPER III – BASIC PHYSICS AND NUCLEAR PHYSICS
Q.P. Code: 802103
Time : Three Hours Maximum : 100 marks
Answer ALL questions
I. Elaborate on: (3 x 10 = 30)
 1. Different radioactive decay modes.
 2. Interaction of X-rays and γ-rays with matter.
 3. Mass energy equivalence.
II. Write notes on: (8 x 5 = 40)
 1. Half life.
 2. Linear Attenuation coefficient.
 3. Alpha particles.
 4. Radioactivity.
 5. Law of exponential attenuation.
 6. Decay factor.
 7. Bohr atom model.
 8. Fluorescence.
III. Short Answers on: (10 x 3 = 30)
 1. SI unit of energy.
 2. Atomic number.
 3. Nuclear binding energy.
 4. Unit of electric charge.
 5. Voltmeter.
 6. Ionization.
 7. Isotopes.
 8. Excited state.
 9. Coulomb force.
10. Radiation exposure.
*******

Dr. MGR University FEBRUARY 2014 Question Paper
Subject : PAPER III – BASIC PHYSICS AND NUCLEAR PHYSICS 

[LE 0212] Sub. Code: 2103
B.Sc. NUCLEAR MEDICINE TECHNOLOGY
FIRST YEAR
PAPER III – BASIC PHYSICS AND NUCLEAR PHYSICS
Q.P. Code: 802103
Time : Three Hours Maximum : 100 marks
Answer ALL questions
I. Elaborate on: (3 x 10 = 30)
 1. Alpha decay, beta decay, electron capture and gamma decay.
 2. Different atomic models used to explain atomic structure.
 3. Different types of radiation detectors.
II. Write notes on: (8 x 5 = 40)
 1. Different types of radiation.
 2. Nucleus of an atom.
 3. Joules law.
 4. Ammeter.
 5. Total attenuation coefficient..
 6. Radiation absorbed dose.
 7. Typical energy spectrum of particles emitted from a radionuclide.
 8. Discoverer of X-ray and the year of discovery.
III. Short Answers on: (10 x 3 = 30)
 1. Discoverer of natural radioactivity and the year of discovery.
 2. Electric charge of proton.
 3. Mass of neutron.
 4. Relationship between mCi and µCi.
 5. Ohms law.
 6. Scintillation detectors.
 7. Isobar.
 8. The unit of nuclear binding energy.
 9. Decay scheme.
10. Decay constant.
*******

Dr. MGR University AUGUST 2014 Question Paper
Subject : PAPER III – BASIC PHYSICS AND NUCLEAR PHYSICS 

[LF 0212] Sub. Code: 2103
B.Sc. NUCLEAR MEDICINE TECHNOLOGY
FIRST YEAR
PAPER III – BASIC PHYSICS AND NUCLEAR PHYSICS
Q.P. Code: 802103
Time : Three Hours Maximum : 100 marks
Answer ALL questions
I. Elaborate on: (3 x 10 = 30)
 1. Binding forces between Nuclear Particles.
 2. Compton Scattering & Pair Production.
 3. Mechanism of Radioactive Decay with Examples.
II. Write notes on: (8 x 5 = 40)
 1. Artificial Radioactivity.
 2. Electromagnetic Effect.
 3. Luminescence.
 4. Atomic Models.
 5. Mass Energy Equivalence.
 6. Ammeter & Multimeter.
 7. Total attenuation coefficient..
 8. Photoelectric Effect.
III. Short Answers on: (10 x 3 = 30)
 1. Electric Charge.
 2. Resistance.
 3. Ohms law.
 4. Joules law.
 5. Electric Power.
 6. Voltmeter.
 7. Alpha rays.
 8. x Rays.
 9. TVL.
10. Decay factor.
*******

Dr. MGR University FEBRUARY 2015 Question Paper
Subject : PAPER III – BASIC PHYSICS AND NUCLEAR PHYSICS 

[LG 0212] Sub. Code: 2103
B.Sc. NUCLEAR MEDICINE TECHNOLOGY
FIRST YEAR
PAPER III – BASIC PHYSICS AND NUCLEAR PHYSICS
Q.P. Code: 802103
Time : Three Hours Maximum : 100 marks
Answer ALL questions
I. Elaborate on: (3 x 10 = 30)
 1. Electromagnetic Spectrum.
 2. Photoelectric effect and Compton scattering.
 3. Natural Radioactivity.
II. Write notes on: (8 x 5 = 40)
 1. Exposure.
 2. Artificial radioactivity.
 3. Half Life.
 4. Pair Production.
 5. Joule 's law.
 6. Properties of X rays.
 7. Binding forces between nuclear particles.
 8. Bohr's atom model.
III. Short Answers on: (10 x 3 = 30)
 1. Isobars.
 2. Curie.
 3. Becquerel.
 4. Gray.
 5. Ohm's law.
 6. Linear attenuation coefficient.
 7. Coulomb’s law.
 8. Decay factor.
 9. Tc99m.
10. Electricity.
*******

Dr. MGR University AUGUST 2015 Question Paper
Subject : PAPER III – BASIC PHYSICS AND NUCLEAR PHYSICS 

[LH 0815] Sub. Code: 2103
B.Sc. NUCLEAR MEDICINE TECHNOLOGY
FIRST YEAR
PAPER III – BASIC PHYSICS AND NUCLEAR PHYSICS
Q.P. Code: 802103
Time : Three Hours Maximum : 100 marks
Answer ALL questions
I. Elaborate on: (3 x 10 = 30)
 1. Explain different Radioactive decay.
 2. Explain Different types of Radiation Detectors.
 3. Explain different types of Radiation Interactions with matter and its important.
II. Write notes on: (8 x 5 = 40)
 1. Half value Layer.
 2. Electromagnetic Induction.
 3. Isotope and Isobar.
 4. Joules Law.
 5. Voltmeter and Ammeter.
 6. Inverse Square Law.
 7. Decay Constant.
 8. Biological Half Life.
III. Short Answers on: (10 x 3 = 30)
 1. Alpha Ray.
 2. Unit of nuclear energy.
 3. Resistance.
 4. Isobar.
 5. Electric power.
 6. Pair Production.
 7. Half Life of Co-60.
 8. Discoverer of Radium.
 9. Mass of proton.
10. Radiation Exposure unit.
******* 

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