Elastic and Inelastic Collisions in One and Two Dimensions NEET Questions

Physics - Work, Energy, and Power

Elastic and Inelastic Collisions in One and Two Dimensions MCQ Questions


7.
The coefficient of restitution (e) for a perfectly elastic collision is:
A.
0
B.
1
C.
0.5
D.
2
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ANSWER :
B. 1
8.
The coefficient of restitution (e) for a completely inelastic collision is:
A.
1
B.
0
C.
Between 0 and 1
D.
Between 1 and 2
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ANSWER :
B. 0
9.
The loss in kinetic energy is maximum in which type of collision?
A.
Elastic
B.
Completely inelastic
C.
Partially inelastic
D.
Elastic
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ANSWER :
B. Completely inelastic
10.
Which law is applied to analyze all types of collisions?
A.
Law of conservation of momentum
B.
Newton's Third Law
C.
Law of conservation of energy
D.
Impulse-momentum theorem
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ANSWER :
A. Law of conservation of momentum
11.
In a one-dimensional elastic collision, the relative speed of separation is:
A.
Equal to initial relative speed
B.
Greater than initial relative speed
C.
Less than initial relative speed
D.
Zero
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ANSWER :
A. Equal to initial relative speed
12.
What is the kinetic energy conservation condition for a perfectly elastic collision?
A.
Kf = Ki
B.
Kf > Ki
C.
Kf < Ki
D.
Kf = 0
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ANSWER :
A. Kf = Ki