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A : The radiation pressure due to light ...

A : The radiation pressure due to light waves is maximum when the surface is a perfect reflector.
R : The momentum transfer by the photons to a perfectly reflecting surface is maximum.

A

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

B

IF both assertion and reason are correct but reson is not the correct explantion of assertion

C

If assertion is correct but reason is incorrect

D

IF assertion is incorrect but reason is correct .

Text Solution

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The correct Answer is:
A
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Knowledge Check

  • Emissive powerr of a surfac eis maximum when surface is

    A
    perfectly black
    B
    smooth
    C
    shining
    D
    white

  • A radiation of energy E falls normally on a perfectly reflecting surface. The momentum transferred to the surface is

    A
    `E/c`
    B
    `(2E)/c`
    C
    `Ec`
    D
    `E/(c^2)`

  • A radiation of energy E falls normally on a perfctly refelecting surface . The momentum transferred to the surface is

    A
    `Ec`
    B
    `2E//c`
    C
    `E//c`
    D
    `E//c^(2)`

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