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In Q.28, what is the stopping potential?...

In Q.28, what is the stopping potential?

A

0.84 V

B

1.05 V

C

1.25 V

D

1.i54 V

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PHYSICS GALAXY - ASHISH ARORA-PHOTOELECTRIC EFFECT AND MATTER WAVES-Numerical MCQs
  1. A metal whose work function is 3.3eV is illuminated by light of wavele...

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  2. In Q 28, the maximum energy of photoelectrons is:

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  3. In Q.28, what is the stopping potential?

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  4. A point source of radiation power P is placed on the x-axis of an idea...

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  5. A sensor is exposed for time t to a lamp of power P placed at a distan...

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  6. The de-Broglie wavelength of an electron moving with a velocity 1.5 xx...

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  7. Monochromatic light of frequency v(1) irradiates a photocell and the s...

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  8. An electromagnetic radiation of frequency 3 xx 10^(15) cycles per seco...

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  9. Two identical photocathode receive light of frequencies f(1) and f(2)....

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  10. A metal plate is exposed to light with wavelength lambda. It is observ...

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  11. The energy of an alpha-particle, whose de-Broglie wavelength is 0.004Å...

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  12. A small potassium foil is placed (perpendicular to the direction of in...

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  13. A photon and an electron posses same de-Broglie wavelength. Given that...

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  14. The maximum velocity of photoelectronos emitted hy a photoemitter is 1...

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  15. A proton with KE equal to that a photono (E = 100 keV). lambda(1) is t...

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  16. How much potential is to be applied to accelerate an electron, so that...

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  17. A metallic surface is irradiated with monochromatic light of variable ...

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  18. Illuminating the surface of a certain metal alternately with light of ...

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  19. The de-Broglie wavelength associated with a material particlewhen it i...

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  20. An electrono of mass m, when accelerated through a potential differenc...

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