Heisenberg Uncertainty Principle NEET Questions

Physical Chemistry - Atomic Structure

Heisenberg Uncertainty Principle MCQ Questions


7.
The Heisenberg uncertainty principle can be ignored for

NEET - 2019

A.
Macroscopic objects
B.
Microscopic particles
C.
Electrons
D.
Photons
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ANSWER :
A. Macroscopic objects
8.
Which of the following best describes Heisenberg’s uncertainty principle?
A.
Δx × Δp ≥ h/2π
B.
Δx × Δp = 0
C.
ΔE × Δt = 0
D.
Δx × ΔE ≥ h/2π
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ANSWER :
A. Δx × Δp ≥ h/2π
9.
Heisenberg's uncertainty principle is a fundamental concept in
A.
Quantum mechanics
B.
Classical mechanics
C.
Thermodynamics
D.
Electrostatics
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ANSWER :
A. Quantum mechanics
10.
Which scientist formulated the uncertainty principle?
A.
Schrödinger
B.
Heisenberg
C.
Planck
D.
Bohr
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ANSWER :
B. Heisenberg
11.
Heisenberg’s uncertainty principle is not significant for
A.
Billiard balls
B.
Protons
C.
Neutrons
D.
Electrons
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ANSWER :
A. Billiard balls
12.
According to the uncertainty principle, which two properties cannot be simultaneously determined with absolute accuracy?

NEET - 2015

A.
Mass and velocity
B.
Position and momentum
C.
Charge and spin
D.
Energy and velocity
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ANSWER :
B. Position and momentum