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Chapter 25: Q23PE (page 930)
At what minimum angle will you get total internal reflection of light traveling in water and reflected from ice?
When light travels through water and is reflected by ice, the critical angle is .
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A ring with a colorless gemstone is dropped into water. The gemstone becomes invisible when submerged. Can it be a diamond? Explain.
If you wish to see your entire body in a flat mirror (from head to toe), how tall should the mirror be? Does its size depend upon your distance away from the mirror? Provide a sketch.
By how much do the critical angles for red (\(660{\rm{ }}nm\)) and violet (\(410{\rm{ }}nm\)) light differ in a diamond surrounded by air?
A beam of white light goes from air into water at an incident angle of\({75.0^ \circ }\). At what angles are the red (\(660{\rm{ }}nm\)) and violet (\(410{\rm{ }}nm\)) parts of the light refracted?
A camera with a \(100{\rm{ }}mm\)focal length lens is used to photograph the sun and moon. What is the height of the image of the sun on the film, given the sun is \(1.40 \times {10^6}{\rm{ }}km\) in diameter and is \(1.50 \times {10^8}{\rm{ }}km\) away?
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