During an adiabatic process, an ideal gas does 25 J of work. What ...

[809779]

During an adiabatic process, an ideal gas does 25 J of work. What is the change in the internal (thermal) energy of the gas during this process?
 
  A) -25 J B) 25 J C) 0.00 J D) 50 J E) -50 J

Question 2

The spacing of ruled lines on a diffraction grating is 1,900 nm. The grating is illuminated at normal incidence with a parallel beam of white light in the 400 nm to 700 nm wavelength band.
 
  The angular width of the gap between the first order spectrum and the second order spectrum is closest to: A) 3.3
  B) 4.3
  C) 5.3
  D) 6.3
  E) 2.3

[frankwu0507]

Answer to Question 1

A

Answer to Question 2

A

[809779]

Excellent

[Liamb2179]

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