De Broglie's Relationship NEET Questions

Physical Chemistry - Atomic Structure

De Broglie's Relationship MCQ Questions


1.
Who proposed the wave nature of matter?
A.
Einstein
B.
Bohr
C.
de Broglie
D.
Planck
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ANSWER :
C. de Broglie
2.
de Broglie's equation relates wavelength to:
A.
Mass and charge
B.
Velocity and energy
C.
Momentum and mass
D.
Momentum and wavelength
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ANSWER :
D. Momentum and wavelength
3.
Which equation represents de Broglie's relationship?
A.
λ = h/mv
B.
λ = mv/h
C.
λ = hmv
D.
λ = h/m
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ANSWER :
A. λ = h/mv
4.
de Broglie's hypothesis is based on:
A.
Wave-particle duality
B.
Photoelectric effect
C.
Law of conservation of mass
D.
Newton’s laws
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ANSWER :
A. Wave-particle duality
5.
In de Broglie’s equation, ‘h’ represents:
A.
Energy of a photon
B.
Planck’s constant
C.
Speed of light
D.
Charge of an electron
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ANSWER :
B. Planck’s constant
6.
What is the SI unit of de Broglie wavelength?
A.
kg m/s
B.
m
C.
J
D.
s
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ANSWER :
B. m