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PHXII11:DUAL NATURE OF RADIATION AND MATTER

357888 The de Broglie wavelength of a neutron in thermal equilibrium with heavy water at a temperature \(\;T\) (Kelvin) and mass \(\;m\), is :-

1 \(\lambda=\dfrac{h}{\sqrt{3 m K T}}\)
2 \(\lambda=\dfrac{h}{\sqrt{m K T}}\)
3 \(\lambda=\dfrac{h}{\sqrt{2 m K T}}\)
4 \(\lambda=\dfrac{h}{\sqrt{3 m T}}\)
NEET - 2017
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357889 An electron and a photon possess the same de-Broglie wavelength. If \({E_e}\) and \({E_P}\) are the energies of electron and photon respectively and \(v\) and \(c\) are their respective velocities, then \(\frac{{{E_e}}}{{{E_p}}}\) is equal to

1 \(\frac{v}{c}\)
2 \(\frac{v}{{2c}}\)
3 \(\frac{v}{{3c}}\)
4 \(\frac{v}{{4c}}\)
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357890 The kinetic energy of an electron get tripled, then the de Broglie wavelength associated with it changes by a factor

1 \(\dfrac{1}{3}\)
2 \(\sqrt{3}\)
3 \(\dfrac{1}{\sqrt{3}}\)
4 3
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357891 Which of these particles (having the same kinetic energy) has the largest de-Broglie wavelength?

1 Electron
2 \(\alpha\)-particle
3 Proton
4 Neutron
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PHXII11:DUAL NATURE OF RADIATION AND MATTER

357888 The de Broglie wavelength of a neutron in thermal equilibrium with heavy water at a temperature \(\;T\) (Kelvin) and mass \(\;m\), is :-

1 \(\lambda=\dfrac{h}{\sqrt{3 m K T}}\)
2 \(\lambda=\dfrac{h}{\sqrt{m K T}}\)
3 \(\lambda=\dfrac{h}{\sqrt{2 m K T}}\)
4 \(\lambda=\dfrac{h}{\sqrt{3 m T}}\)
NEET - 2017
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357889 An electron and a photon possess the same de-Broglie wavelength. If \({E_e}\) and \({E_P}\) are the energies of electron and photon respectively and \(v\) and \(c\) are their respective velocities, then \(\frac{{{E_e}}}{{{E_p}}}\) is equal to

1 \(\frac{v}{c}\)
2 \(\frac{v}{{2c}}\)
3 \(\frac{v}{{3c}}\)
4 \(\frac{v}{{4c}}\)
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357890 The kinetic energy of an electron get tripled, then the de Broglie wavelength associated with it changes by a factor

1 \(\dfrac{1}{3}\)
2 \(\sqrt{3}\)
3 \(\dfrac{1}{\sqrt{3}}\)
4 3
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357891 Which of these particles (having the same kinetic energy) has the largest de-Broglie wavelength?

1 Electron
2 \(\alpha\)-particle
3 Proton
4 Neutron
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PHXII11:DUAL NATURE OF RADIATION AND MATTER

357888 The de Broglie wavelength of a neutron in thermal equilibrium with heavy water at a temperature \(\;T\) (Kelvin) and mass \(\;m\), is :-

1 \(\lambda=\dfrac{h}{\sqrt{3 m K T}}\)
2 \(\lambda=\dfrac{h}{\sqrt{m K T}}\)
3 \(\lambda=\dfrac{h}{\sqrt{2 m K T}}\)
4 \(\lambda=\dfrac{h}{\sqrt{3 m T}}\)
NEET - 2017
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357889 An electron and a photon possess the same de-Broglie wavelength. If \({E_e}\) and \({E_P}\) are the energies of electron and photon respectively and \(v\) and \(c\) are their respective velocities, then \(\frac{{{E_e}}}{{{E_p}}}\) is equal to

1 \(\frac{v}{c}\)
2 \(\frac{v}{{2c}}\)
3 \(\frac{v}{{3c}}\)
4 \(\frac{v}{{4c}}\)
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357890 The kinetic energy of an electron get tripled, then the de Broglie wavelength associated with it changes by a factor

1 \(\dfrac{1}{3}\)
2 \(\sqrt{3}\)
3 \(\dfrac{1}{\sqrt{3}}\)
4 3
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357891 Which of these particles (having the same kinetic energy) has the largest de-Broglie wavelength?

1 Electron
2 \(\alpha\)-particle
3 Proton
4 Neutron
NEET DIGITAL LIBRARY
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357888 The de Broglie wavelength of a neutron in thermal equilibrium with heavy water at a temperature \(\;T\) (Kelvin) and mass \(\;m\), is :-

1 \(\lambda=\dfrac{h}{\sqrt{3 m K T}}\)
2 \(\lambda=\dfrac{h}{\sqrt{m K T}}\)
3 \(\lambda=\dfrac{h}{\sqrt{2 m K T}}\)
4 \(\lambda=\dfrac{h}{\sqrt{3 m T}}\)
NEET - 2017
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357889 An electron and a photon possess the same de-Broglie wavelength. If \({E_e}\) and \({E_P}\) are the energies of electron and photon respectively and \(v\) and \(c\) are their respective velocities, then \(\frac{{{E_e}}}{{{E_p}}}\) is equal to

1 \(\frac{v}{c}\)
2 \(\frac{v}{{2c}}\)
3 \(\frac{v}{{3c}}\)
4 \(\frac{v}{{4c}}\)
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357890 The kinetic energy of an electron get tripled, then the de Broglie wavelength associated with it changes by a factor

1 \(\dfrac{1}{3}\)
2 \(\sqrt{3}\)
3 \(\dfrac{1}{\sqrt{3}}\)
4 3
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357891 Which of these particles (having the same kinetic energy) has the largest de-Broglie wavelength?

1 Electron
2 \(\alpha\)-particle
3 Proton
4 Neutron
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