When the tiny hole in a pinhole camera is made larger, the image is

A) brighter but less clear.
B) clearer.
C) right-side up.
D) none of the above


Answer: A

Physics & Space Science

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What did the cosmic microwave background tell cosmologists about the early universe?

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What is gravitational lensing? According to general relativity, why does it occur?

What will be an ideal response?

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Two long parallel wires placed side-by-side on a horizontal table carry identical size currents in opposite directions. The wire on your right carries current toward you, and the wire on your left carries current away from you

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