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Author Question: An object is placed at a distance of 40 cm from a thin, convex lens along its axis. The lens has a ... (Read 126 times)

ericka1

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An object is placed at a distance of 40 cm from a thin, convex lens along its axis. The lens has a focal length of 10 cm. What are the values, respectively, of the image distance and magnification?
 a. 13.3 cm and -0.33
  c. 60 cm and 2.0
  b. 13.3 cm and 0.33
  d. 60 cm and -0.50

Question 2

Why do vapor bubbles get larger in boiling water as they approach the surface?
 a. They only appear to get larger, this being a magnification effect due to looking through the water.
  b. The bubbles' pressure increases as they rise.
  c. The pressure in the water decreases as the bubble moves toward the surface.
  d. Bubbles always get bigger after they form.



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nicoleclaire22

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Answer to Question 1

A

Answer to Question 2

C



ericka1

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Both answers were spot on, thank you once again




 

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