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The alpha- rays have more penetrating po...

The `alpha-` rays have more penetrating power than `gamma-` rays.

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Explore conceptually related problems

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

Assertion (A): gamma- rays have very high penetrating power. Reason (R) : gamma- rays are high - energy electromagnetic radiations.

Knowledge Check

  • The least penetrating power ray is

    A
    X-Ray
    B
    `alpha -`ray
    C
    `beta `- Ray
    D
    `gamma -` ray

  • 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.

  • Gamma rays are

    A
    High energy electromagnetic waves
    B
    High energy electrons
    C
    High energy protons
    D
    Low energy electrons

    • Similar Questions

    Explore conceptually related problems

    Gamma rays are:

    Gamma rays are-

    The gamma rays are

    Assertion (A) : gamma -rays have very high penetrating power. Reason (R ) : gamma -rays are high energy elctromagnetic radiations

    Assertion : Soft and hard X -rays differ in frequency as well as velocity. Reason : The penetrating power of hard X - rays is more than the penetrating power of soft X -rays.

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