De Broglie's Relationship NEET Questions

Physical Chemistry - Atomic Structure

De Broglie's Relationship MCQ Questions


7.
Which of the following has the shortest de Broglie wavelength?
A.
Proton
B.
Neutron
C.
Electron
D.
Alpha particle
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ANSWER :
D. Alpha particle
8.
According to de Broglie, matter behaves as:
A.
Particle only
B.
Wave only
C.
Both wave and particle
D.
Neither wave nor particle
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ANSWER :
C. Both wave and particle
9.
Which experiment supported de Broglie’s hypothesis?

NEET - 2018

A.
Photoelectric effect
B.
Compton effect
C.
Electron diffraction
D.
Oil drop experiment
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ANSWER :
C. Electron diffraction
10.
Which of the following statements is correct?
A.
All moving particles have wave nature
B.
Only light shows wave-particle duality
C.
Wave nature exists only in photons
D.
Protons do not show de Broglie waves
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ANSWER :
A. All moving particles have wave nature
11.
The de Broglie wavelength is inversely proportional to:
A.
Mass of the particle
B.
Planck’s constant
C.
Speed of light
D.
Time taken by the particle
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ANSWER :
A. Mass of the particle
12.
What is the wavelength of an electron moving with velocity v?
A.
h/mv
B.
mv/h
C.
hv/m
D.
mv
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ANSWER :
A. h/mv