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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 107 times)

azncindy619

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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.


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CAPTAINAMERICA

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Reply #1 on: Jul 28, 2018
Answer to Question 1

A

Answer to Question 2

E


azncindy619

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Reply 2 on: Jul 28, 2018
Excellent

nanny

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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