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When 64 gms of a radioactive element...

When 64 gms of a radioactive element are carried from Jaipure to Jodhpur in 2 hours. Then 1 gm of active element remains . The half life of the element is -

A

2 hours

B

30 minute

C

20 minute

D

1 hour

Text Solution

Verified by Experts

The correct Answer is:
C
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MOTION-RADIOACTIVITY & NUCLEAR PHYSICS-Exercise -1
  1. The half life of radium is 1600 years . In how much time will ...

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  2. Calculate the half life period of a radioactive substance if its activ...

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  3. When 64 gms of a radioactive element are carried from Jaipure t...

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  4. A radioactive element with mass 8 gm and haslf life 100 second ...

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  5. The activity of a radioactive elements (decay constant lambda) ...

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  6. A fraction f(1) of a radioactive sample decays in one mean lie and a f...

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  7. What percentage of the atoms in a sample will remain undecayed...

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  8. In a RA element the fraction of initiated amount remaining after...

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  9. The mean lives of a radioactive material for alpha and beta rad...

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  10. Activity of a radioactive substance is R(1) at time t(1) and R(2) ...

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  11. The activity of a radioactive sample drops fo 1//32 of its initi...

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  12. A radioactive material emits 20 beta - perticles per sec . At 10...

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  13. We get N(1) and N(2) beta- perticles per second from two specimen...

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  14. There are two radio nuceli A and B. A is an alpha emitter and B a beta...

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  15. The number of alpha and beta- emitted during the radioactive decay cha...

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  16. When .90 Th^228 transforms to .83 Bi^212, then the number of the emitt...

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  17. A radioactive nucleus undergoes a series of decay according to the sch...

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  18. The particles not emitted by radioactive susbstace are:

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  19. gamma- rays are produced ………. , alpha or beta- decay

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  20. The particle emitted in the nuclear reaction .(Z) X^(A) = .(Z+1)...

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