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In photoelectric effect, the electrons a...

In photoelectric effect, the electrons are ejected from metals if the incident light has a certain minimum.

A

wavelength

B

frequency

C

amplitude

D

angle of incidence

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The correct Answer is:
B
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MOTION-PHOTOELECTRIC EFFECT -EXERCISE - 3 SECTION -A (Previous Year Problems (NEET ))
  1. When photons of energy hv fall on an aluminium plate (of work function...

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  2. The momentum of a photon of energy 1 MeV "in" kg m//s will be

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  3. In photoelectric effect, the electrons are ejected from metals if the ...

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  4. A 5 W source emits monochromatic light of wavelength 5000 Å. When plac...

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  5. Monochromatic light of frequency 6.0 xx 10^(14) Hz is produced by a la...

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  6. The work function of a surface of a photosensitive material is 6.2 eV...

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  7. The number of photoelectrons emitted for light of a frequency v (highe...

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  8. Monochromatic light of wavelength 667 nm is produced by a helium neon ...

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  9. The figure shows a plot of photo current versus anode potential for a ...

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  10. A source S(1) is producing 10^(15) photons/s of wavelength 5000 Å Anot...

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  11. The potential difference that must be applied to stop the fastest phot...

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  12. The electron in the hydrogen atom jumps from excited state (n=3) to it...

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  13. Photoelectric emission occurs only when the incident light has more th...

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  14. The work functions for metals A, B and C are respectively 1.92 eV, 2....

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  15. Monochromatic light of wavelength 667 nm is produced by a helium neon ...

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  16. Light of two different frequencies whose photons have energies 1eV and...

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  17. In photoelectric emission process from a metal of work function 1.8 eV...

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  18. The threshold frequency for a photosensitive metal is 3.3 xx 10^(14) H...

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  19. An electron in the hydrogen atom jumps from excited state n to the gro...

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  20. Monochromatic radiation emitted when electron on hydrogen atom jumps f...

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