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A point source of light is used in a pho...

A point source of light is used in a photoelectric effect. If the source is removed farther from the emitted metal, the stopping potential

A

will increases

B

will decreases

C

will remain constant

D

will either increase or decrease

Text Solution

Verified by Experts

The correct Answer is:
C
As source in moved away, intensity decreases but frequency remains same.
`therefore`No effect on the stopping potential.
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-ELECTRONS AND PROTONS-Exercise 2
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  3. A point source of light is used in a photoelectric effect. If the sour...

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  4. If the frequency of light in a photoelectric experiment is doubled the...

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  5. The cathode of a photoelectric cell is changed such that the work func...

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  6. In a photoelectric experiment, the potential difference V that must be...

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  7. what should be the velocity of an electron so that its momentum becom...

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  8. From the figure describing photoelectric effect we may infer correctly...

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  9. Cathode rays enter a magnetic field makin oblique angle withh the line...

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  10. The work function for aluminium is 4.125 eV. The cut-off wavelength fo...

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  11. According to Einstein's photoelectric equation, the plot of the maximu...

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  12. Photon and electron are given same energy (10^(-20) J). Wavelength ass...

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  13. Match column I (fundamental experiment) with column II (its conclusion...

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

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  15. Which of the following figure represents the variation of particle mom...

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  16. Threshold wavelength for lithium metal is 6250 Å. For photo emission, ...

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  17. In a photoelectric experiment the relation between applied potential d...

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

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

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  20. Light of intensity 10^(-5)Wm^(-2) falls on a sodium photocell of surfa...

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