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Assertion (A) : beta- particles are defl...

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.

A

If both `(A)` and `(R)` are correct , and `(R)` is the correct explanation of `(A)`

B

If both `(A)` and `(R)` are correct, but (R) is not the correct explanation of `(A)`

C

If `(A)` is correct, but `(R)` is incorrect.

D

If `(A)` is incorrect, but `(R)` is correct.

Text Solution

Verified by Experts

The correct Answer is:
A
The ligher `beta-` particles are deflected more than heavier `alpha-` particles.
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Knowledge Check

  • Charge on alpha- particle is

    A
    `4.8 xx 10^(-19)C`
    B
    `1.6 xx 10^(-19)C`
    C
    `3.2 xx 10^(-19)C`
    D
    `6.4 xx 100^(-19)C`

  • Charge on an alpha -particle is

    A
    `1.6 xx10^(-19) C`
    B
    `3.2xx10^(-19) C`
    C
    `1.6 xx10^(-20) C`
    D
    `4.8 xx10^(-19) C`

  • Assertion (A): beta- particles have greater penetrating power than alpha- rays but less than gamma- rays. Reason (R) : beta- particles are lighter than alpha- particles but heavier than gamma.

    A
    If both `(A)` and `(R)` are correct , and `(R)` is the correct explanation of `(A)`
    B
    If both `(A)` and `(R)` are correct, but (R) is not the correct explanation of `(A)`
    C
    If `(A)` is correct, but `(R)` is incorrect.
    D
    If `(A)` is incorrect, but `(R)` is correct.

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