Lessons

Eamcet Physics
2 nd Year : Unit 7.1 ( Dual Nature of Matter And Radiation ) - Dual Nature of Matter And Radiation

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Q.

When radiation of wavelength λ is incident on a metallic surface, the stopping potential is 4.8 volts. If the same surface is illuminated with radiation of double the wavelength, then the stopping potential becomes 1.6 volts. Then the threshold wavelength for the surface is

View Answer

Correct choice: B

Explanation:

None
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