A monochromatic beam of light of wavelength 600 nm is incident ...

[lak]

A monochromatic beam of light of wavelength 600 nm is incident normally on a diffraction grating with a slit spacing of 1.70  10-4 cm. What is the angle for the first order maximum?
 
  A) 10.5
  B) 12.1
  C) 16.4
  D) 18.2
  E) 20.7

Question 2

The entropy of the surroundings remains constant during an adiabatic change even if the change is irreversible.
 
  Indicate whether the statement is true or false

[DylanD1323]

Answer to Question 1

E

Answer to Question 2

TRUE

[lak]

Wow, this really help

[sarah_brady415]

Thanks for the timely response, appreciate it