Question
Physics Question on Dual nature of matter
A radio transmitter operates at a frequency 880 kHz and a power of 10 kW. The number of photons emitted per second is
A
1.72×1031
B
1.327×1025
C
1.327×1037
D
1.327×1045
Answer
1.72×1031
Explanation
Solution
No. of photons emitted per sec,
n=EnergyofphotonPower
=hυP=6.6×10−34×880×10310000
=1.72×1031