A ray of light is incident on the mid-point of a glass prism surface at an angle of 23.4° with the normal. For the glass, n = 1.60, and the prism apex angle is 51.8°. What is the angle of incidence at the glass-to-air surface on the side opposite where the ray exits the prism?
a. 39.5°
b. 14.4°
c. 37.4°
d. 28.4°
e. 42.7°
c
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What is the magnitude of the force F?
An ideal gas has a pressure of 2.5 atm, a volume of 1.0 L at a temperature of 30 
How many molecules are there in the gas?
A. 
B. 
C. 
D. 
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Indicate whether the statement is true or false