Light is incident normally on a completely absorbing surface with an energy flux of 25 Wcm2. If the surface has an area of 25 cm2, the momentum transferred to the surface in 40 min time duration will be: 1. 6.3 x 104 Ns 2. 1.4 x 106 Ns 3. 5.0 x 103 Ns 4. 3.5 x 106 Ns

Light is incident normally on a completely absorbing surface with an energy flux of 25 Wcm2. If the surface has an area of 25 cm2, the momentum transferred to the surface in 40 min time duration will be: 1. 6.3 x 104 Ns 2. 1.4 x 106 Ns 3. 5.0 x 103 Ns 4. 3.5 x 106 Ns

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter25: Reflection And Refraction Of Light

Section: Chapter Questions

Problem 19P: Unpolarized light in vacuum is incident onto a sheet of glass with index of refraction n. The...

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Concept explainers

Interference of Light

The word "constructive" signifies addition in interference. Constructive interference occurs when the path of the waves that start from the slit differs by 1 entire wavelength or in the intervals of the same. Hence, the waves that are presented on the screen are in phase (crest to crest/trough to trough). The waves interfering constructively forms bright fringes on the screen.

Question

Light is incident normally on a completely
absorbing surface with an energy flux of 25
Wcm2. If the surface has an area of 25 cm2,
the momentum transferred to the surface in
40 min time duration will be:
1.
6.3 x 104 Ns
2. 1.4 x 106 Ns
3. 5.0 x 103 Ns
4. 3.5 x 106 Ns

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