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The mean wavelength of light from sun is...

The mean wavelength of light from sun is taken to be 550nm and its mean power is `3.8 xx 10^(26)`W. The number of photons received by the human eye per second on the average from sunlight is of the order of

A

`10^(45)`

B

`10^(42)`

C

`10^(54)`

D

`10^(51)`

Text Solution

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The correct Answer is:
A
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