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Author Question: In a grandfather clock, the pendulum measures the time elapsed. A grandfather clock is gaining time. ... (Read 165 times)

sdfghj

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on: Jul 29, 2018
In a grandfather clock, the pendulum measures the time elapsed. A grandfather clock is gaining time. Should you shorten or lengthen the pendulum?
 
  What will be an ideal response?

Question 2

Consider a diffraction grating with 7000. lines/cm with a screen 2.50 m away and 440. nm wavelength light.
 
  (a) How many side maxima would be observed on one side of the central maximum? (b) What is the linear distance between the 1st and 2nd maxima?


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Eazy416

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Reply #1 on: Jul 29, 2018
Answer to Question 1

You should lengthen the pendulum to make its period longer.

Answer to Question 2

(a) 3
(b) 1.15 meters


sdfghj

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Reply #2 on: Jul 29, 2018
Thanks


Eazy416

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Reply #3 on: Jul 29, 2018
Welcome :)


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