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If the mass of neutron, mn=1.7×10-27 kg, then the de Broglie wavelength of neutron of energy 3 eV is,

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Important Questions on Dual Nature of Matter and Radiation

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Beta Question Bank for Medical: Physics>Chapter 32 - Dual Nature of Matter and Radiation>Exercise (Conceptual Questions)>Q 39
A proton and an α-particle are accelerated through same voltage. The ratio of their de-Broglie wavelength will be,
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Beta Question Bank for Medical: Physics>Chapter 32 - Dual Nature of Matter and Radiation>Exercise (Conceptual Questions)>Q 40
The de-Broglie's wavelength of an atom at absolute temperature T will be,
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Beta Question Bank for Medical: Physics>Chapter 32 - Dual Nature of Matter and Radiation>Exercise (Conceptual Questions)>Q 41
The de-Broglie wavelength associated with electrons revolving round the nucleus in a hydrogen atom in ground state will be,
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Beta Question Bank for Medical: Physics>Chapter 32 - Dual Nature of Matter and Radiation>Exercise (Conceptual Questions)>Q 42
The wavelength of very fast moving electron (v≈c) is,
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Beta Question Bank for Medical: Physics>Chapter 32 - Dual Nature of Matter and Radiation>Exercise (Conceptual Questions)>Q 43
Which experiment explains the wave nature of electron?
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Beta Question Bank for Medical: Physics>Chapter 32 - Dual Nature of Matter and Radiation>Exercise (Conceptual Questions)>Q 44
In Davisson-Germer experiment, the filament emits
 
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Beta Question Bank for Medical: Physics>Chapter 32 - Dual Nature of Matter and Radiation>Exercise (Conceptual Questions)>Q 45
The correct curve between intensity of scattering I and the angle of diffraction ϕ in Davisson-Germer experiment is,
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Beta Question Bank for Medical: Physics>Chapter 32 - Dual Nature of Matter and Radiation>Exercise (Conceptual Questions)>Q 46

In the Davisson-Germer experiment, nickel crystal acts as