Author Question: If total internal reflection occurs at a glass-air surface: a. no light is reflected. b. no light ... (Read 61 times)

mckennatimberlake · **on:** Jul 28, 2018

If total internal reflection occurs at a glass-air surface:
a. no light is reflected. b. no light is refracted. c. light is leaving the air and hitting the glass with an incident angle less than the critical angle.
d. light is leaving the air and hitting the glass with an incident angle greater than the critical angle.

Question 2

Carly places one end of a steel bar in a Bunsen flame and the other end in an ice cube. By what factor is the rate of heat flow changed when the bar's cross-sectional area is tripled?
a. 0.33
c. 3.0
b. 1/9
d. 9.0