Which of these objects would exhibit diffuse reflection if you shone a light on it?

a. A cactus.
b. A mirror.
c. A still pool of water.
d. A polished table top.
e. A window.


a

Physics & Space Science

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A billiard ball traveling at 3.00 m/s collides perfectly elastically with an identical billiard ball initially at rest on the level table

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If a diatomic quantum mechanical vibrator in its ground state has energy E, what is its energy in its second state above the ground state?

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