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The number of photons emitted by a monochromatic (single frequency) infrared range finder of power 1 mW and wavelength of 1000 nm, in 0.1 second is x×1013. The value of x is . (Nearest integer)(h=6.63×10−34 Js, c=3.00×108 ms−1) |
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Answer» The number of photons emitted by a monochromatic (single frequency) infrared range finder of power 1 mW and wavelength of 1000 nm, in 0.1 second is x×1013. The value of x is (h=6.63×10−34 Js, c=3.00×108 ms−1) |
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