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Home Q & A Board Science-Related Homework Help Physics Astronomy
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Mrpkerzz Mrpkerzz
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6 years ago
A certain amount of a monatomic gas is maintained at constant volume as it is cooled by 50 K. This feat is accomplished by removing 400 J of energy from the gas. How much work is done by the gas?
 
  A) 200 J
  B) -200 J
  C) 400 J
  D) zero
  E) -400 J

Question 2

The torque on the rotating loop of wire in a DC motor ________ as the loop rotates.
 
  A) is inversely proportional to the current
  B) is constant in magnitude
  C) varies in magnitude
  D) is zero

Question 3

Consider a converging lens forming an image on a screen. What property of the image would be affected by covering the top half of the lens?
 
  What will be an ideal response?

Question 4

How do interference and diffraction differ? How are they similar?
 
  What will be an ideal response?
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ScarletSkyScarletSky
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6 years ago
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Mrpkerzz Author
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#2
6 years ago
Thank you for taking the time to explain this, just got my quiz back: Perfect
wrote...
#3
4 years ago
Thank you so much
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