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When stopping potential is applied in an...

When stopping potential is applied in an experiment on photoelectric effect, no photo current is observed. This means that

A

the emission of photoelectrons is stopped

B

the photoelectrons are emitted but are re-absorbed by the emitter metal

C

the photoelectrons are accumulated near the collector plate

D

the photoelectrons are dispersed from the sides of the apparatus

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The correct Answer is:
B
NA
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CP SINGH-PHOTOELECTRIC EFFECT-EXERCISES
  1. Photons of frequency v fall on a metal surface for which the thershold...

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  2. Which of the following statements about photoelectric effict is/are fa...

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  3. When stopping potential is applied in an experiment on photoelectric e...

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  4. In photoelectric effect

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  5. A metallic surface ejects electrons when exposed to green light of int...

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  6. Lights of two different frequencies whose photons have energies 1 and ...

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  7. Two identical photocathodes receive light of frequency f(1) andf(2) if...

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  8. Radiation of wavelength lambda in indent on a photocell . The fastest ...

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  9. When a certain metallic surface is illuminated with monochromatic ligh...

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  10. Photoelectric emission is observed from a metallic surface for frequen...

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  11. A photon of wavelength 1000 Å has energy 12.3 eV. If light of waveleng...

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  12. In the previous, if the intensity of light is made 4 I, the stopping p...

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  13. In question 23, if the intensity of light is made 4 I, the saturation ...

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  14. The threshold frequency for certain metal is v0. When light of frequen...

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  15. In an experiment on photoelectric effect light of wavelength 400 nm is...

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  16. If Planck's constant is denoted by h and the charge by e, experiments ...

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  17. In order to increase the kinetic energy of ejected photoelectrons, the...

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  18. In photoelectric emission the number of electrons ejected per second i...

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  19. When monochromatic radiation of intensity I falls on a metal surface, ...

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  20. Light of frequeny 1.5 times the threshold frequency , imcident on a ph...

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