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- 1. Multiple Choice
Frequency modulated cyclotron called.............
Synchrotron
Synchrocyclotron
Cyclotron
Betatron
- 2. Multiple Choice
Synchrotron is accelerated like
Alpha Particlcle
Deutron
Both a& b
None of the above
- 3. Multiple Choice
The synchrotron evolved from
cyclotron
betatron
bevatron
cosmotron
- 4. Multiple Choice
Which one is linear Accelerator?
a) Proton synchrotron
b) cyclotron
c) synchrotron
d) All the above
- 5. Multiple Choice
The initial energy of about electron
a) 5 to 80 keV
b) 50 to 80 keV
c) 5 to 80 MeV
d) 50 to 80 MeV
- 6. Multiple Choice
The radioactivity ideas given by
a) Newton
b) Henry
c) Rutherford
d) Becquerel
- 7. Multiple Choice
When nucleus undergoes____________decay.
a) Alpha
b) Beta
c) Both a &b
d) Gamma
- 8. Multiple Choice
The equation of half life period is
a)T1/2=0.693/λ
b)T1/2=0.963/λ
c)T1/2=0.639/λ
d)T1/2=0.699/λ
- 9. Multiple Choice
The average life time of all the nuclei
a) Half life
b) Mean life
c) Both a & b
d) None of the above
- 10. Multiple Choice
Which one is radioactive material?
a) Aluminum
b) Helium
c) Actinium
d) Boran
- 11. Multiple Choice
The attractive forces between nucleons are
a) Low range
b) Short range
c) Maximum range
d) Min range
- 12. Multiple Choice
Classical physics fails to explain the theory of _______
a) Alpha decay
b) Beta decay
c) Gamow decay
d) None of the above
- 13. Multiple Choice
An alpha particle may exist as an entity within a_______
a) Nucleus
b) Heavy Nucleus
c) Light nucleus
d) Nucleons
- 14. Multiple Choice
Neutrino theory of beta decay developed by
a) Dirac
b) Fermi-Dirac
c) Fermi
d) Bose
- 15. Multiple Choice
K.E of the ejected electron
a) Ea-a
b) Eb-b
c) Ee-W
d) Ec-W
- 16. Multiple Choice
Geiger’s law can be expressed in the form
a) R = bE3/2
b) R = bE4/2
c) R = bE5/2
d) R = bE6/2
- 17. Multiple Choice
Quantum mechanics provides a successful explanation about ____
a) α-decay
b) β-decay
c) ν-decay
d) none of the above
- 18. Multiple Choice
Proton and neutron combine which gives
a) nucleus
b) nuclei
c) nucleon
d) none of the above
- 19. Multiple Choice
Mossbauer effect implies the recoil velocity almost.....
a) 0
b) 1
c) 2
d) 3
- 20. Multiple Choice
The half life periods of U238.............
a) 4.5x109 Years
b) 4.3x108 Years
c) 4.3x107 Years
d) 4.3x106 Years
- 21. Multiple Choice
Carbon isotopes has a half life of _____ Years
a) 5731
b) 5732
c) 5730
d) 5733
- 22. Multiple Choice
The carbon isotope _______ is present in all living beings.
a) C14
b) C12
c) C13
d) C15
- 23. Multiple Choice
The emitted electron from internal conversion is
a) Conversion e-
b) Conversion e+
c) Proton
d)Neutron
- 24. Multiple Choice
The rate of disintegration is directly proportional to no of ______ present.
a) Molecule
b) atom
c) particle
d) none of the above
- 25. Multiple Choice
__________is reciprocal to decay constant.
a) Mean life
b) half-life
c) both a & b
d) none of the above
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