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If the kinetic energy of a free electron...

If the kinetic energy of a free electron doubles,its de-Broglie wavelength changes by the factor

A

`1//2`

B

`2`

C

`1// sqrt2`

D

`sqrt2`.

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MODERN PUBLICATION-UNIT TEST -07-EXERCISE
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  7. Wave property of electron implies that they will show diffraction effe...

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

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  9. Planck's constant has the dimetnsion of

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  10. The value of Planck's constant is

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  11. The energy of a photon of wavelelngth lambda is

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

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  13. The mass of photon at rest is:

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

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

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

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