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Dual Nature of Radiation and Matter — Physics STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 SciencePhysicsDual Nature of Radiation and Matter1 Mark
Question
Define the term 'stopping potential' in relation to photoelectric effect.
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Answer

Stopping potential is the minimum negative (retarding) potential of anode for which photo current stops or becomes zero.

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