Author Question: If you double the frequency of the light in a laser beam, but keep the number of photons per second ... (Read 126 times)

tfester · **on:** Jul 29, 2018

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 energy of individual photons doubles.
C) The energy of individual photons does not change.
D) The intensity of the beam doubles.
E) The wavelength of the individual photons doubles.

Question 2

Decreasing the resistance of an ammeter's shunt resistance

A) converts it to a voltmeter.
B) allows it to measure a larger current at full scale deflection.
C) allows it to measure a smaller current at full scale deflection.
D) enables more current to pass directly through the galvanometer.