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Photoelectric work- function of a metal ...

Photoelectric work- function of a metal is `1 eV.` Light of wavelength `lambda = 3000 Å` falls on it. The photoelectrons come out with maximum velocity

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The correct Answer is:
`10^(6) m//s`
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RESNICK AND HALLIDAY-PHOTONS AND MATTER WAVES-PRACTICE QUESTIONS (Single Correct Choice Type)
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  2. Lights of two different frequencies whose photons have energies 1 and ...

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  3. Photoelectric work- function of a metal is 1 eV. Light of wavelength l...

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  6. Two separate segments of equal area are isolated in the energy distrib...

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  7. Let (nr) and (nb) be respectively the number of photons emitted by a r...

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  8. Consider tuning a radio to higher frequency station. The energy of rad...

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  9. A beam of ultraviolet light is incident on the metal ball of an electr...

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  10. A xenon are lamp is covered with an interference filter that only tran...

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  11. A girl is performing a photoelectric experiment but no photoelectrons ...

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  12. In the following figure gives the stopping voltage V versus the wavele...

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  13. A non-monochromatic light is used in an experiment on photoelectric ef...

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  14. In the following figure shows the variation of photocurrent with poten...

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  15. In a photoelectric tube, the voltage applied is such that the photoele...

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  16. An image of the sun is formed by a lens, of the focal length of 30 cm,...

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  17. If a parallel beam of light having intensity I is incident normally on...

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  18. The difference between the photons and other material particles that w...

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  19. A beta particle, gamma ray, and alpha particle all have the same momen...

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  20. If a proton and an electron have the same kinetic energy, which has th...

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