Calculate number of photons emitted by 60 watt bulb in 10 hours.When 6000 Armstrong of light is emitted by it.
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Answered by
2
Answer:
The equation is going to be
Energy = Power*Time = n hc/lambda
Plug in all the values given and you will then find out the value of n
Answered by
3
Answer:
Watt = Energy/Time = Joule/sec
Total energy = 60×10×3600J
let the no. of photons be Z
then,
60×10×3600J = Z { 12420/6000 } × 1.6 × 10^(-9)
by solving,
21,60,000 = Z { 2.07 } × 1.6 × 10^(-9)
Z = 21,60,000/3.312 × 10^(9)
Z = 6.152 (approx)
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