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Photoelectric emission occurs only when ...

Photoelectric emission occurs only when the incident light has more than a certain minimum

A

Wavelength of light

B

Intensity

C

frequency

D

power

Text Solution

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The correct Answer is:
C
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MOTION-PHOTOELECTRIC EFFECT -EXERCISE - 3 SECTION -A (Previous Year Problems (NEET ))
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  4. The work functions for metals A, B and C are respectively 1.92 eV, 2....

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

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

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

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

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

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  11. A modern 200 W sodium street lamp emits yellow light of wavelength 0.6...

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  13. An electrons of a stationary hydrogen aton passes form the fifth enegr...

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  15. The wavelength lambda(e ) of an electron and lambda(p) of a photon of...

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  16. For photoelectric emission from certain metal the cut - off frequency ...

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  17. When the energy of the incident radiation is increased by 20 % , kinet...

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  18. When a metallic surface is illuminated with radiation of wavelength la...

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