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Electromagnetic Waves question

2024 · 8 Apr · Shift 1 · Q64
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  5. /2024 · 8 Apr · Shift 1 · Q64

Electromagnetic Waves question

2024 · 8 Apr · Shift 1 · Q64

JEE MainPhysicsElectromagnetic WavesMCQ+4 / −1
Average force exerted on a non-reflecting surface at normal incidence is 2.4×10−4 N2.4 \times 10^{-4} \mathrm{~N}2.4×10−4 N. If 360 W/cm2360 \mathrm{~W} / \mathrm{cm}^2360 W/cm2 is the light energy flux during span of 1 hour 30 minutes, Then the area of the surface is:
  1. A
    20 m220 \mathrm{~m}^220 m2
  2. B
    0.2 m20.2 \mathrm{~m}^20.2 m2
  3. C
    0.1 m20.1 \mathrm{~m}^20.1 m2
  4. D
    0.02 m20.02 \mathrm{~m}^20.02 m2
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