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Author Question: A laser beam passes through a thin slit. When the pattern is viewed on a screen 1.25 m past the ... (Read 124 times)

Jipu 123

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A laser beam passes through a thin slit.
 
  When the pattern is viewed on a screen 1.25 m past the slit, you observe that the fifth-order dark fringes occur at 2.41 cm from the central bright fringe. The entire experiment is now performed within a liquid, and you observe that each of the fifth-order dark fringes is 0.790 cm closer to the central fringe than it was in air. What is the index of refraction of this liquid?
  A) 1.33 B) 3.05 C) 1.62 D) 1.40 E) 1.49

Question 2

The primary of an ideal transformer has 100 turns and its secondary has 200 turns. If the input voltage to the primary is 100 V, we can expect the output voltage of the secondary to be
 
  A) 50 V.
  B) 100 V.
  C) 200 V.
  D) none of the given answers.


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leahchrapun

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Jipu 123

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Reply 2 on: Jul 29, 2018
Wow, this really help


softEldritch

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Reply 3 on: Yesterday
Gracias!

 

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