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Which of the following has the largest d...

Which of the following has the largest de Broglie wavelength (all have eual velocity)?

A

Neutron

B

Proton

C

`alpha` -particle

D

`beta` -particle

Text Solution

Verified by Experts

The correct Answer is:
D
de Broglie wavelength
`lamda = h/(mv) " or " lamda prop 1/m` (when v is constant )
As `m_(alpha) gt m_(n) gt m_p gt m_(beta) :. lamda_(alpha) lt lamda_(n) lt lamda_(p) lt lamda_(beta)`
Therefore , `beta` particle has the longest de Broglie wavelength .
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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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  3. Which of the following has the largest de Broglie wavelength (all have...

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  8. The kinetic energy of an electron gets tripled, then the de-Broglie wa...

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

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

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

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  16. The de Broglie wavelength is given by

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

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

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

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

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