A radio transmitter radiates 1 kW power at a | vedclass

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(c) $P = \frac{W}{t} = \frac{{nhc}}{{\lambda t}} $

$\Rightarrow {10^3} = \frac{{n 	imes 6.6 	imes {{10}^{ - 34}} 	imes 3 	imes {{10}^8}}}{{198.

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${10^{30}}$

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(c) $P = \frac{W}{t} = \frac{{nhc}}{{\lambda t}} $

$\Rightarrow {10^3} = \frac{{n 	imes 6.6 	imes {{10}^{ - 34}} 	imes 3 	imes {{10}^8}}}{{198.6 	imes 1}}$

$ \Rightarrow n = {10^{30}}$.

A radio transmitter radiates $1 kW$ power at a wavelength $198.6 $ metres. How many photons does it emit per second

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