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The energy flux of sunlight reaching the...

The energy flux of sunlight reaching the surface of the earth is `1.388 xx10^(3) "W/m"^(2)` . How many photons (nearly ) per square metre are incident on the Earth per second ? Assume that the photons in the sunlight have an average wavelength of 550 nm.

A

`2.51xx10^(31)`

B

`3.84xx10^(31)`

C

`1.51xx10^(31)`

D

`7.51xx10^(31)`

Text Solution

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The correct Answer is:
B
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AAKASH SERIES-DUAL NATURE OF RADIATION AND MATTER-EXERCISE=II
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