A beam of light in air is incident at an angle of 46 to the surface of a rectangular block of clear plastic (n = 1.46). The light beam first passes through the block and re-emerges from the opposite side into air at what angle to the normal to that surface?
a. 23
c. 46
b. 59
d. 30
Question 2
In cloud formation, water vapor turns into water droplets which get bigger and bigger until it rains. This will cause the temperature of the air in the clouds to:
a. get warmer.
b. get cooler.
c. will not affect the temperature of the air in the clouds.
d. There is no air in clouds.
A comparison of electron and light microscope technologies
Anterior surface of the eye.
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Heat Exchanger Block Diagram Feedforward Control
Body Wave and Surface Wave Travel
Bone Surface Markings: Head