Author Question: Monochromatic light hits a piece of glass. Assuming the frequency remains constant, what happens to ... (Read 78 times)

LaDunn · **on:** Jul 28, 2018

Monochromatic light hits a piece of glass. Assuming the frequency remains constant, what happens to the wavelength in the glass as the index of refraction decreases?
a. decreases
c. increases
b. approaches 3 108 m
d. remains constant

Question 2

100 g of liquid nitrogen at its boiling point of 77 K is stirred into a beaker containing 600 g of 15C water. If the nitrogen leaves the solution as soon as it turns to gas, how much water freezes? The heat of vaporization of nitrogen is 48 cal/g and that of water is 80 cal/g.
a. none
c. 68 g
b. 29 g
d. 109 g