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Author Question: An object is 12.0 cm from the surface of a spherical Christmas tree ornament that is 10.0 cm in ... (Read 80 times)

nenivikky

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  • Posts: 516
on: Jul 28, 2018
An object is 12.0 cm from the surface of a spherical Christmas tree ornament that is 10.0 cm in diameter. What is the magnification of the image?
 a. -0.500
  c. +0.172
  b. -0.200
  d. +0.143

Question 2

What is the mass of a mole of oxygen gas?
 a. 8 g
  c. 24 g
  b. 16 g
  d. 32 g


JYan

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  • Posts: 331
Reply #1 on: Jul 28, 2018
Answer to Question 1

C

Answer to Question 2

D


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