Fundamentholfundamenthol
JEE Main2019Physics
Q.

Light is incident normally on a completely absorbing surface with an energy flux of 25 Wcm–2. If the surface has an area of 25 cm2, the momentum transferred to the surface in 40 min time duration will be : 

  1. A

    3.5 × 10–6 Ns

  2. B

    6.3 × 10–4 Ns

  3. C

    5.0 × 10–3 Ns

  4. D

    1.4 × 10–6 Ns

Solution

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