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Dual Nature of Radiation question

2006 · Shift 0 · Q97
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Dual Nature of Radiation question

2006 · Shift 0 · Q97

JEE MainPhysicsDual Nature of RadiationMCQ+4 / −1
The threshold frequency for a metallic surface corresponds to an energy of 6.2eV6.2eV6.2eV and the stopping potential for a radiation incident on this surface is 5V.5V.5V. The incident radiation lies in
  1. A
    ultra-violet region
  2. B
    infra-red region
  3. C
    visible region
  4. D
    xxx-ray region
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