Physics-(general)
NEET Physics (general) MCQ Question
Type: MCQ-numerical-Easy-Class 12
If monochromatic light of frequency 5.0 × 10^14 Hz is produced by a laser with a power of 3.0 × 10^-3 W, how many photons are emitted per second?
A
9.03 × 10^15
B
6.02 × 10^15
C
00 × 10^15
D
50 × 10^15
Correct Answer
Option A
Detailed Explanation
The number of photons emitted per second is calculated using N = P/E, where E = h * frequency. Using the given frequency and power, the number of photons is 9.03 × 10^15.
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