Concept explainers
The energy of a pulse and the number of photons in a pulse.
Answer to Problem 37P
The energy of a pulse is
The number of photons in a pulse is
Explanation of Solution
Given info:
Power output
Duration
Wavelength
Formula used:
Where,
Calculation:
The energy of a pulse is
Substitute the values in equation
The energy of a photon is
Substitute the values in equation
So, the number of photons in a pulse is
Substitute the values in equation
Conclusion:
The energy of a pulse is
The number of photons in a pulse is
Chapter 28 Solutions
Physics: Principles with Applications
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