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Highly energetic electrons are bombarded...

Highly energetic electrons are bombarded on a target of an element containing `30` neutrons. The ratio of radii of nucleus to that of Helium nucleus is `141//3`. The atomic number of nucleus will be.

A

25

B

26

C

56

D

30

Text Solution

Verified by Experts

The correct Answer is:
B
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MOTION-RADIOACTIVITY & NUCLEAR PHYSICS-Exercise-3
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  14. Which of the following radiation has the least wavelength ?

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  15. which a U^(238) nucleus original at rest , decay by emitting an alpha ...

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  16. A nucleus with Z =92 emits the following in a sequence: alpha,beta^(...

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  17. A nucleus desintegrated into two nucleus which have their velocities i...

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  18. The binding energy per nucleon of deuterium and helium nuclei are 1.1 ...

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  19. If radius of the .(13)^(27)Al nucleus is estimated to be 3.6 Fermi, th...

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