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A beam of electrons deflects more than a...

A beam of electrons deflects more than a beam of `alpha-"particles" ` in an electric field.
Electrons possess negative charge while `alpha-"particles"` possess positive charge.

A

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

B

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

C

If assertion is true but reason is false

D

If the assertion and reason both are false

Text Solution

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The correct Answer is:
D
The activity of 1g of pure `U - 235` and that in `U_(3)O_(8)` is same. Activity does not depend upon the state of combination
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Assertion (A) : beta- particles are deflected more than alpha- particles in a given electric field. Reason (R) : Charge on alpha- particles is larger than on beta- particles.