NTA Abhyas JEE Main2020PhysicsDual Nature of MatterPractice
A ratio transmitter operates at a frequency 880 kHz and a power of 10 kW. The number of photons emitted per second is
Options
- A1.72 × 10 31
- B1.327 × 10 25
- C1.327 × 10 37
- D1.327 × 10 45
Correct answer
A. 1.72 × 10 31
Step-by-step solution
Number of photons emitted per sec, n = P o w e r E n e r g y o f p h o t o n = P h v = 10000 6.6 × 10 - 34 × 880 × 10 3 = 1.72 × 10 31