Question

whatis photoelectric effect

Answer 1

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Answer 2

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The photoelectric effect refers to what happens when electrons are emitted from a material that has absorbed electromagnetic radiation. Physicist Albert Einstein was the first to describe the effect fully, and received a Nobel Prize for his work.

or

Photoelectric effect, phenomenon in which electrically charged particles are released from or within a material when it absorbs electromagnetic radiation. The effect is often defined as the ejection of electrons from a metal plate when light falls on it.

Albert Einstein

Albert EinsteinThis became known as the photoelectric effect, and it would be understood in 1905 by a young scientist named Albert Einstein. Einstein's fascination with science began when he was 4 or 5, and first saw a magnetic compass.