De Broglie's Relationship NEET Questions

Physical Chemistry - Atomic Structure

De Broglie's Relationship MCQ Questions


13.
A heavier particle will have:
A.
Shorter de Broglie wavelength
B.
Longer de Broglie wavelength
C.
Same wavelength as a lighter particle
D.
No wavelength
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ANSWER :
A. Shorter de Broglie wavelength
14.
Which has the longest de Broglie wavelength?
A.
Alpha particle
B.
Neutron
C.
Proton
D.
Electron
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ANSWER :
D. Electron
15.
Decreasing the velocity of a particle will:
A.
Decrease its de Broglie wavelength
B.
Increase its de Broglie wavelength
C.
Have no effect on wavelength
D.
Increase momentum
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ANSWER :
B. Increase its de Broglie wavelength
16.
Which of the following cannot be explained by de Broglie's hypothesis?
A.
Photoelectric effect
B.
Electron diffraction
C.
Heisenberg's uncertainty principle
D.
Quantum mechanics
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ANSWER :
A. Photoelectric effect
17.
Which of the following has the greatest momentum?
A.
Photon
B.
Alpha particle
C.
Neutron
D.
Proton
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ANSWER :
B. Alpha particle
18.
For a given kinetic energy, which particle will have the highest de Broglie wavelength?

NEET - 2019

A.
Electron
B.
Proton
C.
Neutron
D.
Alpha particle
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ANSWER :
A. Electron