Modern Physics 7 Question 9
9. energy density of sunlight is normally incident on the surface of a solar panel. Some part of incident energy is reflected from the surface and the rest is absorbed. The force exerted on surface area will be close to (c
(Main 2019, 9 April II)
(a)
(b)
(c)
(d)
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Solution:
- Radiation pressure or momentum imparted per second per unit area when light falls is
where,
In given case, there is