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When orange light falls on a photo sensi...

When orange light falls on a photo sensitive surface the photocurrent begins to flow. The velocity of emitted electrons will be more whwn surface is hit by

A

red light

B

violet light

C

thermal radiations

D

radio waves

Text Solution

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The correct Answer is:
B
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NARAYNA-DUAL NATURE-C.U.Q
  1. The number of photoelectrons emitted for light of a frequency v (highe...

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  2. Emission of electrons in photoelectric effect is possible, if

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  3. When orange light falls on a photo sensitive surface the photocurrent ...

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  4. When the amplitude of the light wave incident on a photomental sheet i...

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  5. Which of the following is dependent on the intensity of incident radia...

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  6. According to Einstein's photoelectric equation , the graph between the...

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  7. Which one of the following is true in photoelectric emission

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  8. If the work function of a metal is 'phi' and the frequency of the inci...

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  9. Kinetic energy with which the electrons are emitted from the metal sur...

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  10. When ultraviolet radiation is incident on a surface, no photoelectrons...

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  11. The maximum kinetic energy of the emitted photoelectrons against frequ...

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  12. Einstein's photoelectric equation states that E(k)=hv-W, In this equat...

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  13. The function of photoelectric cell is

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  14. Photo electric effect can be explained only by assuming that light

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  15. When light falls on a photosensitive surface, electrons are emitted fr...

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  16. Photoelectric effect is described as the ejection of electrons from th...

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  17. Though quantum theory of light can explain a number of phenomena obser...

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  18. In the following diagram if V(2) gt V(1) then

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  19. When an X-ray photon collides with an electrons and bounces off, its n...

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  20. A point source of light is used in a photoelectric effect. If the sour...

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