Achieve CUET (UG) Physics Practice Book>Chapter 11 - Dual Nature of Radiation and Matter>Exercise>Q 73

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The de Broglie wavelength associated with a ball of mass $150 g$ travelling at $30 m s^{- 1}$ is___ $(h = 6.6 \times 10^{- 34} J s)$

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Important Questions on Dual Nature of Radiation and Matter

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Achieve CUET (UG) Physics Practice Book>Chapter 11 - Dual Nature of Radiation and Matter>Exercise>Q 74

The ratio of the deBroglie wave lengths for the electron and proton moving with the same velocity is

(m_{p} - m a s s o f p r o t o n, m_{e} - m a s s o f e l e c t r o n)

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Achieve CUET (UG) Physics Practice Book>Chapter 11 - Dual Nature of Radiation and Matter>Exercise>Q 75

When the velocity of an electron increases, it's de Broglie wavelength:

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Achieve CUET (UG) Physics Practice Book>Chapter 11 - Dual Nature of Radiation and Matter>Exercise>Q 76

An electron is accelerated through a potential difference of

10,000 V .

Its de Broglie wavelength is (nearly):

(m_{e} = 9 \times 1 0^{- 31} k g)

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Achieve CUET (UG) Physics Practice Book>Chapter 11 - Dual Nature of Radiation and Matter>Exercise>Q 77

What is the de Broglie wavelength of an electron with a kinetic energy of

120 eV

?
(Given :

h = 6.63 \times 10 J s^{- 1}

,

m_{e} = 9.11 \times 10^{- 31} kg

and

e = 1.6 \times 10^{- 19} C

)

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Achieve CUET (UG) Physics Practice Book>Chapter 11 - Dual Nature of Radiation and Matter>Exercise>Q 78

If an electron and a proton are propagating in the form of waves having the same wavelength, it implies that they have the same

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Achieve CUET (UG) Physics Practice Book>Chapter 11 - Dual Nature of Radiation and Matter>Exercise>Q 79

Which of the following figures represent the variation of particle momentum and associated de-Broglie wavelength?
(Along the

X -

axis, the wavelength of the particle and along

Y -

axis, momentum of the particle is considered.)

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Achieve CUET (UG) Physics Practice Book>Chapter 11 - Dual Nature of Radiation and Matter>Exercise>Q 80

The wave nature of the electron was verified by_____.

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Achieve CUET (UG) Physics Practice Book>Chapter 11 - Dual Nature of Radiation and Matter>Exercise>Q 81

Which property of electrons associated with waves was demonstrated by Davisson and Germer experiment?