Question

Which of the following instrument makes use of photoelectric effect? Television receiver television camera cathod ray oscilloscope radar?

Answer 1

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$\huge{answer Television camera}}}$
The photoelectric effect is the phenomenon of emission of electrons or charged electromagnetic particles from the surface of a material when electromagnetic radiation is absorbed by the surface.

In a television camera, the electrons or electromagnetic particles are emitted due to the photoelectric effect. The resulting electrical current is then processed in order to convey the information. It is later recreated on a Cathode ray tube (CRT) or other forms of display.

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Answer 2

The definition of a television is an electronic device used to receive sound and images which create television programs that people watch.