Angular Momentum and Conservation of Angular Momentum and its Applications NEET Questions

Physics - Rotational Motion
Angular Momentum and Conservation of Angular Momentum and its Applications

Angular Momentum and Conservation of Angular Momentum and its Applications MCQ Questions


1.
The angular momentum of a particle of mass m moving with velocity v at a position r from the origin is defined as:
A.
L = r · p
B.
L = r × p
C.
L = m·v·r
D.
L = p/r
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ANSWER :
B. L = r × p
2.
The SI unit of angular momentum is:
A.
kg·m/s
B.
N·m
C.
kg·m²/s
D.
J·s²
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ANSWER :
C. kg·m²/s
3.
The dimensional formula of angular momentum is:
A.
[M L² T⁻¹]
B.
[M L T⁻¹]
C.
[M L² T⁻²]
D.
[M L² T⁻³]
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ANSWER :
A. [M L² T⁻¹]
4.
Angular momentum is the rotational analogue of:
A.
Force
B.
Velocity
C.
Linear momentum
D.
Mass
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ANSWER :
C. Linear momentum
5.
Angular momentum is a:
A.
Scalar quantity
B.
Pseudo-vector (axial vector)
C.
Tensor
D.
Polar vector
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ANSWER :
B. Pseudo-vector (axial vector)
6.
The angular momentum L of a particle is related to its linear momentum p and position vector r as:
A.
Magnitude rp cosθ
B.
Magnitude rp sinθ, direction perpendicular to plane of r and p
C.
Magnitude rp tanθ
D.
Magnitude r/p, parallel to r
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ANSWER :
B. Magnitude rp sinθ, direction perpendicular to plane of r and p
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