Which is a useful property of a prism?

A) internally reflects 100% of incident light
B) changes directions of light in a variety of ways
C) re-inverts images
D) all the above
E) none of the above


Answer: D

Physics & Space Science

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Indicate whether the statement is true or false

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Indicate whether the statement is true or false

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The force due to gravity between two objects can be described using the equation Fg = G M1 M2 / d2. According to this equation, if the distance between two objects increases, what happens to the gravitational force between them?

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