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If the kinetic energy of a moving partic...

If the kinetic energy of a moving particle is E , then the de-Broglie wavelength is

A

`lamda=h/(sqrt(mK)) `

B

`lamda=(2h)/(sqrt(mK)) `

C

`lamda=-(h)/(2sqrt(mK))`

D

`lamda=h/(sqrt(2mK)`

Text Solution

Verified by Experts

The correct Answer is:
D
de Broglie wavelength , `lamda = h/(mv)`
or `lamda=h/(sqrt(2mK) )" " ( :. " Momentum," mv= sqrt(2mK)) `
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MTG GUIDE-DUAL NATURE OF MATTER AND RADIATION -NEET Cafe Topicwise Practice Questions (MATTER WAVES AND DE BROGLIE RELATION)
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  2. The wavelength of the matter wave is independent of

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  3. A praticle of mass M at rest decays into two particle of masses m1 and...

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  4. If the kinetic energy of a particle is increased by 10 times, the perc...

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  5. If m is the mass of an electron and c the speed of light, the ratio of...

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  6. If a proton and electron have the same de Broglie wavelength, then

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  7. The ratio of the de-Broglie wavelengths of an electron of energy 10 eV...

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  8. The de Broglie wavelength is given by

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  9. The linear momentum of an electron, initially at rest, accelerated thr...

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  10. The de - Broglie wavelength of a ball of mass 120 g moving at a speed ...

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  11. An electron of mass m(e) and a proton of mass m(p) are moving with the...

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  12. If the kinetic energy of a moving particle is E , then the de-Broglie ...

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  13. The de Broglie wavelength lamda of an electron accelerated through a p...

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  14. An electron, an alpha-particle, and a photon have the same kinetic ene...

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  15. The energy that should be added to an electron to reduce its de - Brog...

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  16. If alpha particle, proton and electron move with the same momentum, th...

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  17. The de Broglie wavelength and kinetic energy of a particle is 2000 Å a...

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  18. Consider the four gases hydrogen, oxygen, nitrogen and helium at the s...

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  19. What is the (a) momentum (b) speed and (c) de-Broglie wavelength of an...

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  20. If the mass of a microscopic particle as well as its speed are halved,...

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