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JEE Main 9 Apr 2019 Paper 2 Solved Paper

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Question : 4

Total: 90

50 W/m‌2 energy density of sunlight is normally incident on the surface of a solar panel. Some part of incident energy(25%) is reflected from the surface and the rest is absorbed. The force exerted on 1m‌2 surface area will be close to (c=3×10‌8 m/s):

15×10‌−8 N
20×10‌−8 N
10×10‌−8 N
35×10‌−8 N

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