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A 160 watt light source is radiating light of wavelength 6200 Å uniformly in all directions. The photon flux at a distance of 1.8 m is of the order of (Planck's constant `6.63xx 10^(-34) J-s)`

A

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

B

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

C

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

D

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

Text Solution

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The correct Answer is:
C
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