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What fissionable material was used in th...

What fissionable material was used in the bomb dropped at Nagasaki (Japan) in the year 1945 ?

A

Uranium

B

Neptunium

C

Berkelium

D

Plutonium

Text Solution

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The correct Answer is:
D
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  2. Which of the following process will result into fission reaction ?

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  3. What fissionable material was used in the bomb dropped at Nagasaki (Ja...

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  4. The principle of controlled chain reaction is used in.

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  5. In an atom bomb, the energy is released because of the.

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  6. Boron rods are used in nuclear reactors because

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  7. A nuclear reaction along with the masses of the particle taking part i...

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  8. The curve of blinding energy per nucleon as a function of atomic mass ...

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  9. In the given nuclear reaction A, B, C, D, E represents .92 U^238 rarr^...

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  10. An atom of mass number 15 and atomic number 7 captures an alpha-partic...

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  11. The binding energies of the nuclei A and B are E(alpha)and E(alpha) re...

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  12. The total number of alphaandbeta particles emitted in the nuclear reac...

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  13. Suppose we consider a large number of continers each containing initia...

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  14. 90% of a radioactive sample is left undecayed after time t has elapese...

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  15. M(x) and M(y) denote the atomic masses of the parent and the daughter ...

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  16. Half life of a radio-active substance is 20 minutes. The time between ...

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  17. A freshly prepared radioactive source of half-life 2 h emits radiation...

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  18. The decay constant of a radioactive sample is 'lambda'. The half-life ...

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  19. A radioactive substance disintegrates 1/64 of initial value in 60 s. T...

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  20. In the reaction .1^2 H + .1^3 H rarr .2^4 He + .0^1 n, if the binding ...

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