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The anode vollage of a photocell is kept...

The anode vollage of a photocell is kept fixed . The wavelength lambda of the light falling on the cathode varies as follows

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B


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C


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D


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MODERN PUBLICATION-UNIT TEST -07-EXERCISE
  1. This question has statement - 1 and statement - 2 of the four choice g...

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  2. Two identical photocathodes receive the light of frequencies f1 and f2...

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  3. The anode vollage of a photocell is kept fixed . The wavelength lambda...

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  4. The de-Broglie wavelength of a tennis ball of mass 60 g moving wiht a ...

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  5. If the kinetic energy of a free electron doubles,its de-Broglie wavele...

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  6. A radiation of energy E falls normally on a perfecly reflecting surfac...

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  7. Direction:Answer the MCQ no.15 to 17 on the basis of the folowing para...

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  8. Wave property of electron implies that they will show diffraction effe...

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  9. Wave property of electron implies that they will show diffraction effe...

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  10. Wavelength of the radiation of freuquency 100 Hz is :

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  11. Planck's constant has the dimetnsion of

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  12. The value of Planck's constant is

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  13. The energy of a photon of wavelelngth lambda is

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  14. If a phtoton has velocity c and frequency v ,then wchich of the follow...

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  15. The mass of photon at rest is:

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  16. Monochromatic light of frequency 6 xx 10^(14) Hz is produced by a LAS...

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  17. Which one among the following shows particle nature of ligth?

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  18. The energy of a photon of light is 3 eV.Then,the wavelength of photon ...

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  19. A source S1 is producing 10^(15) photons s^(-1) of wavelength 5,000 ov...

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  20. Monochromatic light of wavelength 667 nm is produced by a helium neon ...

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