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Author Question: At absolute temperature T, a black body radiates its peak intensity at wavelength . At absolute ... (Read 55 times)

K@

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on: Jul 29, 2018
At absolute temperature T, a black body radiates its peak intensity at wavelength . At absolute temperature 2T, what would be the wavelength of the peak intensity?
 
  A) /2 B) 2 C)  D) 16 E) /16

Question 2

The focal lengths of the objective and the eyepiece in a microscope are 0.29 cm and 2.5 cm, respectively. An object is placed 0.3 cm from the objective. The image of this object is viewed with the eyepiece adjusted for minimum eyestrain.
 
  What is the distance between the objective and the eyepiece? A)
 
  9.85 cm
  B)
 
  10.1 cm
  C)
 
  10.4 cm
  D)
 
  11.2 cm
  E)
 
  11.5 cm


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bd5255

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

A

Answer to Question 2

D


K@

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Reply #2 on: Jul 29, 2018
Thanks


bd5255

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Reply #3 on: Jul 29, 2018
Welcome :)


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