a 100 watt ball emitted monochromatic light wave length of 400nm . calculate number of photons emitted per second by the ball
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Answered by
0
Answer:
100 watt
Explanation:
momochrotic 400mmm jano of namka
Answered by
1
Answer:
2.012 * 10^20 s^-1
Explanation:
power of the *ball = 100J/s
wavelength = 400*10^-9
Energy of one photon = hv/wavelength
= 4.969*10^-19J
number of photons emitted per second = power/energy of one photon
=100J/4.969*10^-19Js
=2.012 * 10^20 s^-1
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