Pathfinder Modern Physics MCQ 2

Pathfinder Modern Physics MCQ 2

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India Santosh Sir IITK (Apex Physics)
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Published on ● Video Link: https://www.youtube.com/watch?v=hM307Of-Mik


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How much power must a light beam of wavelength lambda 2 have to produce the same saturation current on irradiating a metal plate as produced by a light beam of wavelength lambda 1 and power W1 ? Quantum yield of photoelectric effect for these wavelengths are n1 and n2 respectively.



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