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A 160 watt infrared source is radiating ...

A 160 watt infrared source is radiating light of wavelength `50000Å` uniformly in all directions. The photon flux at a distance of `1.18 m` is of the order of -

A

`10 m^(-2)s^(-1)`

B

`10^(10)m^(-2)s^(-1)`

C

`10^(15)m^(-2)s^(-1)`

D

`10^(20)m^(-2)s^(-1)`

Text Solution

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The correct Answer is:
D
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