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What distance can you distinguish the two headlights

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Reference no: EM13905836

The human visual resolution is 1 minute of arc. Assuming that you are looking down an isolated road at night.

a. at what distance can you distinguish the two headlights of an approaching car?

A one-inch telescope can resolve two points of light 4.5 arc seconds apart.

b. At what distance can you distinguish the two headlights of an approaching car?

Reference no: EM13905836

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