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The figure shows a plot of photo current...

The figure shows a plot of photo current versus anode potential for a photosensitive surface for three different radiations. Which one of the following is a correct statement ?

A

curves (b) and (c ) represent incident radiations of same frequency having same intensity.

B

curves (a) and (b) represent incident radiations of different frequencies and different intensities

C

curves (a ) and (b) represent incident radiations of same frequency but of different intensities

D

curves (b) and (c ) represent incident radiations of different frequencies and different intensities.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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  16. A alpha -parhticle moves in a circular path of radius 0.83 cm in th...

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

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  18. Threshold frequency of a metal is 5xx10^(13)s^(-1) upon which 1xx10^(1...

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

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

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