Physics, asked by maryamazeem640, 7 months ago

how can you use sunlight and mirror to send messages​

Answers

Answered by sanjusahani031
4

Answer:

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Explanation:

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Answered by shivamdubeyshiva904
2

Explanation:

A heliograph (helios), meaning "sun", and graphein , meaning "write") is a wireless telegraph that signals by flashes of sunlight (generally using Morse code) reflected by a mirror. The flashes are produced by momentarily pivoting the mirror, or by interrupting the beam with a shutter.

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