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A point source causes photoelectric effe...


A point source causes photoelectric effect from a small metal plate. Which of the curves in Fig. may represent the saturation photo-current as a function of the distance between the source and the metal?

A

a

B

b

C

c

D

d

Text Solution

Verified by Experts

The correct Answer is:
D

`i prop i//d^(2)`, graph will be reactangular hyperbola type
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CP SINGH-PHOTOELECTRIC EFFECT-EXERCISES
  1. A photoelectric cell is illuminated by a point source of light 1 m awa...

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  2. If the distance of 100 Watt lamp is increased from a photocell, the sa...

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  3. A point source causes photoelectric effect from a small metal plate. W...

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  4. When a monochromatic point source of light is at a distance of 0.2 m...

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  5. The collector plate in an experiment on photoelectric effect is kept v...

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  6. The electric field associated with a light wave is given by E= E0 sin...

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  7. A beam of light of wavelength lambda is incident on a metal having wor...

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  8. A photon of energy E ejects a photoelectron from a metel surface whose...

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  9. A monochromatic light of wavelength lambda is incident on an isolated ...

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  10. Photoelectric effect experiments are performed using three different m...

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  11. The graph between 1//lambda and stopping potential (V) of three metals...

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

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  13. Which of the following is correct regarding de-Broglie wavelength?

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  14. de-Broglie wavelength associated with an electron accelerated through ...

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  15. An electron of mass me and a proton of mass mp are accelerated through...

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  16. A proton and an electron are accelerated by the same potential differe...

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  17. In which of the following cases the heavier of the two particles has a...

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  18. If the kinetic energy of the particle is increased to 16 times its pre...

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  19. The de - Broglie wavelength of a neutron at 27 ^(@) C is lambda. What ...

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  20. lambda(e),lambda(p) and lambda(alpha) are the de-Broglie wavelength of...

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