Question

If we assume that penetrating power of any radiation/particle is inversely proportional to the De-broglie wavelength of the particle, then

A

A proton and an particle after getting accelerated through same potential difference will have equal penetrating power.

B

Penetrating power of particle will be greater than that of proton which have been accelerated by same potential difference.

C

Proton's penetrating power will be less than penetrating power of an electron which has been accelerated by the same potential difference.

D

Penetrating powers can not be compared as all these are particles having no wavelength or wave nature.

Hard
Solution
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Correct option is B)


For higher m and q ;
will be smaller.
For an '' particle; both 'm' and 'q' are higher
hence lesser is the wavelength.
As, (penetrating power) Energy
From above; penetrating power of an particle is more than that of a proton.
So, the answer is option (B).

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