General Science | Physics | Nuclear Physics

General Science | Physics | Nuclear Physics

Dec 31, 2024 - 10:53 Updated: Dec 31, 2024 - 11:55
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1. One of these particles is claimed to have invented which rebut the Einstein's theory of relativity.

Micro-wave Photon
Neutrino
Liquid crystal
Light emitting diode

2. Cyclotrons are used to accelerate

Neutrons
Protons
Atoms
Ions

3. Which one of the following can be used to confirm whether drinking water contains a gamma emitting isotope or not?

Microscope
Lead plate
Scintillation counter
Spectrophotometer

4. Among the following radiations, which has the highest energy?

Visible
X-ray
Ultra-violet
Infra-red

5. The energy of Sun is released due to

Nuclear fission
Nuclear fusion
Oxidation reactions
Reduction reactions

6. The stars receive their energy from which of the following?

Nuclear fusion
Nuclear fission
Chemical reaction
Gravitational pull

7. Which one of the following is the source of renewable energy in stars?

Hydrogen changes into helium
Helium changes into hydrogen
Decay of radioactive material
Excess of oxygen which is helpful in burning and generate energy

8. Source of energy from the Sun is

Nuclear fission
Nuclear fusion
Photoelectric effect
Cherenkov effect

9. What is the source of electrical energy in an artificial satellite?

Solar cells
Mini nuclear reactor
Dynamo
Thermopile

10. Which one of the following element is used in solar cells?

Silicon
Cerium
Astatine
Vanadium

11. Photovoltaic cells are

Solar cells
Thermal cells
Sulphur cells
Molar cells

12. Photovoltaic cell is related to

Nuclear Energy
Geo Thermal Energy
Solar Energy
Wind Energy

13. Which statement is not associated with nuclear fission?

Neutron-induced nuclear reaction
Energy generation in stars
Source of energy in nuclear reactor that produces electricity
Enormous energy is released in an atom bomb

14. The difference between nuclear reactor and atom bomb is that

There is no chain reaction in nuclear reactor whereas this happens in atom bomb
The chain reaction in nuclear reactor is controlled
The chain reaction in nuclear reactor is not controlled
Atom bomb is based on nuclear fusion whereas in nuclear reactor, nuclear fission occurs

15. In the modern day's nuclear medicine plays a vital role in Medical Science, it is exactly

They are drugs
They are infusion of herbs
They are radio isotopes
They are chlorofluorocarbons

16. The important nuclear fuel available in India in abundance is

Uranium
Thorium
Iridium
Plutonium

17. Radioactive element which has been found to have large reserves in India is

Plutonium
Radium
Thorium
Uranium

18. Which of the following element is not included as a nuclear fuel?

Cadmium
Thorium
Plutonium
Uranium

19. Identify the mineral not associated with atomic power.

Monazite
Beryllium
Thorium
Chromium

20. Which of the following is not a fuel element?

Uranium
Thorium
Radium
Helium

21. Which one of the following cannot be used as a nuclear fuel?

Uranium
Thorium
Calcium
Plutonium

22. Which is not used as atomic fuel?

Uranium
Thorium
Plutonium
Lead

23. Which of the following is used in the preparation of Nuclear bombs?

Zirconium
Uranium
Molybedenum
Vanadium

24. The principle of atomic bomb is based on

Nuclear fusion
Nuclear fission
Above both
Above none

25. The working principle of atom bomb is nuclear fission of uranium and the working principle of hydrogen bomb is

Nuclear fusion of deuterium
Nuclear fission of thorium
Explosion of bomb involving hydrogen gas
Explosion involving dynamite and T.N.T.

26. Hydrogen bomb is based on the principle of

Controlled fusion reaction
Uncontrolled fusion reaction
Controlled fission reaction
Uncontrolled fission reaction

27. Hydrogen bomb was developed by

Edward Teller
Bernor Bon Bron
J. Robert Opan Heemar
Samual Cohen

28. The ultimate product of radioactive disintegration of uranium is

Lead
Radium
Thorium
Plutonium

29. A radioactive substance has a half- life of four months. Three-fourth of the substance would decay in

3 months
4 months
8 months
12 months

30. The half-life of a radioactive element is 5 years, then the fraction of the radioactive substance that remains after 20 years is

1/2
1/4
1/8
1/16

31. The half-life of a radioactive substance is 10 days; it means there will be

Complete decay of substance in 20 days
Complete decay of substance in 40 days
Decay of 3/4 part of substance in 20 days
Decay of 1/4 part of substance in 5 days

32. Which one of the following is not radioactive?

Astatine
Francium
Tritium
Zirconium

33. Which Uranium isotope is used in nuclear power plants to produce electricity?

U-233
U-234
U-235
U-239

34. Which metal can be used for producing electricity?

Uranium
Iron
Copper
Aluminium

35. Radioactive substance emits

Alpha rays
Beta rays
Gamma rays
All of these

36. What happens if the control rods are not used in a nuclear reactor?

The reactor will stop working
Chain process would go out of bounds
The reactor will be slow to act
The reactor will continue to work as it is

37. Which one of the following is India's first nuclear plant?

Narora
Kalpakkam
Tarapur
Kota

38. India's first atomic power station is

BARC
Tarapur Atomic Power Station
Narora Atomic Power Station
None of the above

39. Who is present director of 'BARC'?

Satish Dhawan
R.K. Sinha
G. Madhavan Nayar
Dr. Ramanna

40. What are the links between Dhruva, Purnima and Cirus?

They are Indian research reactors
They are stars
There are names of famous books
They are power plants

41. Which fuel is used by Nuclear reactors in India?

U-270
U-500
Gasohol
U-238

42. Kalpakkam is famous

Due to nuclear power plant
Due to defence laboratory
Due to rocket launching centre
Due to space centre

43. The Indira Gandhi Atomic Research Centre is located in

Maharashtra
Tamil Nadu
Uttar Pradesh
Karnataka

44. Heavy water is manufactured in India at

Trombay
Assam
Delhi
Bhilai

45. Which one of the following atomic plants of India is located in the IV Seismic Zone?

Kaiga
Kalpakkam
Narora
Tarapore

46. The atomic power plant which became active recently is located at

Kalpakkam
Narora
Tarapore
Kaiga

47. Russia has agreed recently to construct how many units of nuclear reactors at Kundankulam in Tamil Nadu?

2
4
5
6

48. The fuel used in Fast Breeder Test Reactor at Kalpakkam is

Enriched Uranium
Thorium
Plutonium
Tungsten

49. Which one of the following is used as the coolant in the 'Fast Breeder Test Reactor' at Kalpakkam?

Carbon dioxide
Heavy water
Sea water
Molten sodium

50. The function of heavy water in a nuclear reactor is to

Slow down the speed of neutrons
Increase the speed of neutrons
Cool down the reactor
Stop the nuclear reaction

51. Which one of the following is used as a moderator in the nuclear reactor?

Thorium
Graphite
Radium
Ordinary Water

52. Graphite is used in the nuclear reactor as

Fuel
Lubricant
Moderator
None of these

53. Which one of the following is used as moderator in a nuclear reactor?

Thorium
Heavy Water
Radium
Ordinary Water

54. Fast breeder reactor is a nuclear reactor which produces electricity

By fusion process
With the help of solar cells
By burning phenyl substances used by it and by its reproduction
By using refined hard water

55. A breeder reactor is that which

Does not require fissionable material at all
Uses only heavy water
Produces more fissionable material than it burns
All of the above

56. Which of the following nuclear power plants has the highest total installed capacity?

Kakrapar
Kaiga
Kudankulam
Tarapur

57. The official code name of Pokhran nuclear test 1974, was

Smiling Buddha
Thunder Bolt
Flying Garud
Agni Pareeksha

58. The Pokhran II test was conducted on

June 11th, 1998
June 9th, 1998
May 11th, 1998
May 29th, 1998

59. In May, 1998 India had conducted 5 nuclear tests at Pokhran. In which state does Pokhran lie?

Gujarat
Rajasthan
Punjab
Himachal Pradesh

60. The Nuclear doctrine of India contains

No first use
Unilateral moratorium
Minimum Credible deterrence
All of the above