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Author Question: A gamma ray is also known as A) an electron. B) a positron. C) a helium nucleus. D) a ... (Read 57 times)

Bernana

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on: Jul 29, 2018
A gamma ray is also known as
 
  A) an electron.
  B) a positron.
  C) a helium nucleus.
  D) a high-energy photon.

Question 2

An object that is 2.0 cm tall is placed at the center of curvature in front of a concave mirror. How tall is its image?
 
  A) 0.50 cm
  B) 1.0 cm
  C) 1.5 cm
  D) 2.0 cm
  E) infinite


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cascooper22

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

D

Answer to Question 2

D


Bernana

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Reply 2 on: Jul 29, 2018
YES! Correct, THANKS for helping me on my review

xiazhe

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Reply 3 on: Yesterday
Excellent

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