A metallic surface is irradiated by a monochromatic light of frequency _1 and stopping…
Physics · Class 12 · CBSE — Dual Nature of Radiation & Matter
A metallic surface is irradiated by a monochromatic light of frequency \(\nu_1\) and stopping potential is found to be \(V_1\). If the light of frequency \(\nu_2\) irradiates the surface, the stopping potential will be
- \(V_{1}+\frac{h}{e}\left(v_{1}+v_{2}\right)\)
- \(V_{1}+\frac{h}{e}\left(v_{2}-v_{1}\right)\)
- \(V_{1}+\frac{e}{h}\left(v_{2}-v_{1}\right)\)
- \(V_{1}-\frac{h}{e}\left(v_{1}+v_{2}\right)\)
Answer
(B) V_ 1 + h e (v_ 2 -v_ 1 )
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