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Author Question: An object is placed 5 cm to the left of a converging spherical lens. The lens has a focal length of ... (Read 224 times)

crobinson2013

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on: Jul 28, 2018
An object is placed 5 cm to the left of a converging spherical lens. The lens has a focal length of f = 10 cm. What kind of image is formed and what is its orientation?
 a. Real/Upright
  b. Virtual/Upright
  c. Virtual/Inverted
  d. Real/Inverted

Question 2

A starship navigator measures the distance between the Earth and the sun. If the ship is moving at a speed of 0.90 c, instead of obtaining 93 million miles, the navigator measures a distance (in millions of miles) of
 a. 41.
  b. 30.
  c. 80.
  d. 215.
  e. 90.


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fdliggud

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

b

Answer to Question 2

a


crobinson2013

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Reply 2 on: Jul 28, 2018
Great answer, keep it coming :)

alvinum

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

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