Author Question: A 15-kg mass, attached to a massless spring whose force constant is 2 500 N/m, has an amplitude of 4 ... (Read 122 times)

azncindy619 · **on:** Jul 28, 2018

A 15-kg mass, attached to a massless spring whose force constant is 2 500 N/m, has an amplitude of 4 cm. Assuming the energy is quantized, find the quantum number of the system, n, if En = nhf.
a. 1.5 1033
b. 3.0 1033
c. 4.5 1033
d. 5.4 1033
e. 1.0 1033

Question 2

The number of photons per second passing a plane perpendicular to a collimated monochromatic (one frequency) beam of light transporting power P is directly proportional to
a. the wavelength of the light.
b. the frequency of the light.
c. the power of the beam.
d. all of the above. e. only (a) and (c) above.