Author Question: A beam of light of wavelength 600 nm is incident along the normal to two closely spaced parallel ... (Read 83 times)

B · **on:** Jul 28, 2018

A beam of light of wavelength 600 nm is incident along the normal to two closely spaced parallel glass plates. For what air gap separation between the plates will the transmitted beam be of maximum intensity? (1 nm = 10-9 m)
a. 75 nm
c. 410 nm
b. 300 nm
d. 150 nm

Question 2

What is the internal energy of 42 moles of Neon gas (molecular mass = 20 u) at 27C? (R = 8.31 J/mol K)
a. 1.9 105 J
b. 1.6 105 J
c. 3.8 103 J
d. It depends on the container size, which is not given.