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Assertion: The ionision power of beta-pa...

Assertion: The ionision power of `beta`-particle is less compared to `alpha`-particle but their penetrating power is more.
Reason: The mass of `beta`-particle is less than the mass of `alpha`-particle.

A

If both the assertion and the reason are true and the reason is the correct explanation of the assertion.

B

If both the assertion and the reason are true, but the reason is not the correct explanation of the assertion

C

If Assertion is true, but the reason is false.

D

If Assertion is false, but the reason is true.

Text Solution

Verified by Experts

The correct Answer is:
2
Explanation: - `beta`- particle being emilled with very high speed compared to particle. Due to this reason, their loss of energy is very slow and they can penetrate the medium through a sufficient depth
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