Author Question: Assuming the frequency remains constant, a monochromatic light ray is transmitted through an ... (Read 109 times)

saraeharris · **on:** Jul 28, 2018

Assuming the frequency remains constant, a monochromatic light ray is transmitted through an glass-to-air boundary, what happens to the wavelength?
a. decreases
c. increases
b. approaches zero value
d. remains unchanged

Question 2

How much heat energy must be removed from 150 g of oxygen at 22C to liquefy it at -183C? (The specific heat of oxygen gas is 0.218 cal/gC, and its heat of vaporization is 50.9 cal/g.)
a. 14,300 cal
c. 4320 cal
b. 9560 cal
d. 2160 cal