BITSAT 2007 Solved Question Paper

Section: Physics

Question : 85 of 150

Marks: +1, -0

Monochromatic light of wavelength 3000Å is incident on a surface area 4‌cm 2. If intensity of light is 150‌mW∕m2, then rate at which photons strike the target is

3×1010∕sec
9×1013∕sec
7×1015∕sec
6×1019∕sec

Validate

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