Dual Nature of Radiation and Matter — Physics STD 12 Science — Question
Rajasthan BoardEnglish MediumSTD 12 SciencePhysicsDual Nature of Radiation and Matter1 Mark
Question
A photo cell is a device which:
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Answer
Absorbs light and produces a stream of electrons
Explanation:
Photocell is a device which converts light energy into electrical energy. In photocell concave metallic cathode absorbs photons from incident light waves and emits electron from the metal surface towards anode.
In other words, it absorbs light and produces a stream of electrons.
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