GOV EXAM ADDA

1. Isobar of a nuclide is formed by

A. one β emission

B. (2α + 2β) emission

C. One α emission

D. (α + β) emission

Answer & Solution

2. In a nuclear reactor heavy water is to

A. Provide high speed neutrons for fission reactor

B. Increase the speed of neutrons

C. Transfer the heat from the reactor

D. Reduce the speed of fast moving neutrons

Answer & Solution

3. Nuclear fusion is the source of energy in

Answer & Solution

4. Who developed atom Bomb?

A. Werner Von Braun

B. Samuel Cohen

C. Edward Teller

D. J. Robert Oppen Heimer

Answer & Solution

5. Which of the following is a thermonuclear reaction?

A. 92U238 + 6C12  98Cf246 + 40n1

B. 13 Al27 + 2He4  15P30 + 0n1

C. 92U238 + 0n1 93Np239 + -1e0

D. 41H1 2He4 + 2 +1e0

Answer & Solution

6. The radiant energy of Sun is due to

Answer & Solution

7. Who developed Hydrogen Bomb?

A. Werner Von Braun

B. Samuel Cohen

C. Edward Teller

D. J. Robert Oppen Heimer

Answer & Solution

8. Atomic explosion is triggered by

A. Controlled chain reaction

B. Uncontrolled chain reaction

C. Thermo nuclear reaction

D. Chemical reaction

Answer & Solution

9. U-235 belong to which member of series?

A. Neptunium series

B. Uranium series

C. Thorium series

D. Actinium series

Answer & Solution

10. Nuclear reactors are based on

A. Nuclear fusion

B. Spontaneous chemical reaction

C. Nuclear fission

D. Natural radioactivity

Answer & Solution

11. The source of enormous energy of Sun is

A. Fusion of deuterium and tritium

B. Fission of tritium to form helium

C. Fission of Uranium

D. Fusion of Hydrogen nuclei to form helium nucleus

Answer & Solution

15. Hydrogen Bomb is based upon the principle of

A. Controlled Nuclear fusion

B. Uncontrolled Nuclear Fusion

C. Controlled Nuclear Fission

D. Uncontrolled Nuclear Fission

Answer & Solution

16. An elements X loss α and two β particles in three successive stages. The resulting element will be

Answer & Solution

17. which one of the following takes place during a nuclear fusion?

A. Two light nuclei combine to from a heavy nucleus

B. A light nucleus breaks up spontaneously

C. A Heavy nuclear bombarded by neutrons breaks up

D. A heavy nuclear breaks up spontaneously

Answer & Solution

18. The first time atomic bomb was released at

Answer & Solution

19. Nuclear bombs were dropped on Hiroshima and Nagasaki during the _____

Answer & Solution

20. What were the names of Atom Bombs dropped on Japan?

A. Little girl and Fat woman

B. Little Woman and fat girl

C. Little boy and fat man

D. Little Man and fat boy

Answer & Solution

1. Isobar of a nuclide is formed by

2. In a nuclear reactor heavy water is to

3. Nuclear fusion is the source of energy in

4. Who developed atom Bomb?

5. Which of the following is a thermonuclear reaction?

6. The radiant energy of Sun is due to

7. Who developed Hydrogen Bomb?

8. Atomic explosion is triggered by

9. U-235 belong to which member of series?

10. Nuclear reactors are based on

11. The source of enormous energy of Sun is

12. How many countries explode the atom bomb before India?

13. Which of the following element belongs to 4n series?

14. The energy of Sun is mainly due to

15. Hydrogen Bomb is based upon the principle of

16. An elements X loss α and two β particles in three successive stages. The resulting element will be

17. which one of the following takes place during a nuclear fusion?

18. The first time atomic bomb was released at

19. Nuclear bombs were dropped on Hiroshima and Nagasaki during the _____

20. What were the names of Atom Bombs dropped on Japan?