Matter Waves-Wave Nature of Particle NEET Questions

Physics - Dual Nature of Matter and Radiation

Matter Waves-Wave Nature of Particle MCQ Questions


1.
Who proposed the wave nature of particles?
A.
Einstein
B.
Planck
C.
de Broglie
D.
Bohr
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ANSWER :
C. de Broglie
2.
The de Broglie wavelength of a moving particle is given by:
A.
λ = h/mv
B.
λ = h/p
C.
λ = h/√(2mE)
D.
λ = p/m
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ANSWER :
B. λ = h/p
3.
Which of the following particles will have the longest de Broglie wavelength if they move with the same velocity?
A.
Proton
B.
Electron
C.
Neutron
D.
Alpha particle
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ANSWER :
B. Electron
4.
According to de Broglie, the wavelength associated with a moving particle is given by:

NEET - 2016

A.
h/p
B.
mv/h
C.
hm/p
D.
pm/h
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ANSWER :
A. h/p
5.
What is the significance of the wave nature of particles?
A.
Supports classical mechanics
B.
Explains diffraction of particles
C.
Contradicts wave-particle duality
D.
Has no physical significance
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ANSWER :
B. Explains diffraction of particles
6.
Which experiment confirmed the wave nature of electrons?
A.
Photoelectric experiment
B.
Davisson-Germer experiment
C.
Compton effect
D.
Michelson-Morley experiment
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ANSWER :
B. Davisson-Germer experiment