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Author Question: A generator coil rotates through one revolution 60 times each second. The frequency of the emf is ... (Read 72 times)

MirandaLo

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on: Jul 27, 2018
A generator coil rotates through one revolution 60 times each second. The frequency of the emf is
 
  A) 120 Hz.
  B) 60 Hz.
  C) 60 Hz.
  D) 30 Hz.
  E) (60/ ) Hz.

Question 2

In a diffraction experiment, light of 600. nm wavelength produces a first-order maximum 0.350 mm from the central maximum on a distant screen.
 
  A second monochromatic source produces a third-order maximum 0.870 mm from the central maximum when it passes through the same diffraction grating. What is the wavelength of the light from the second source?


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wilsonbho

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Reply #1 on: Jul 27, 2018
Answer to Question 1

B

Answer to Question 2

497. nm


MirandaLo

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Reply 2 on: Jul 27, 2018
Gracias!

xiaomengxian

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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