If You Double the Frequency of the Light in a Laser

question 2

Multiple Choice

If you double the frequency of the light in a laser beam,but keep the number of photons per second in the beam fixed,which of the following statements are correct? (There could be more than one correct choice. )

• A)The power in the beam does not change.
• B)The intensity of the beam doubles.
• C)The energy of individual photons does not change.
• D)The energy of individual photons doubles.
• E)The wavelength of the individual photons doubles.

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