NEET
- Exam
- NEET
- Subject
- Physics
- Chapter
- Center of Mass, Momentum and Collision
NEET · Physics · Center of Mass, Momentum and Collision
Match the following: ( Column I Column II A. Elastic collision P....
Match the following:
(
)
| Column I | Column II | ||
| A. | Elastic collision | P. | e=0 |
| B. | Inelastic collision | Q. | O < e < 1 |
| C. | Explosion | R. | e=1 |
| D. | Plastic collision | S. | Final K.E. > initial K.E |
Options
- AA-(P); B-(Q); C-(R); D-(S)
- BA-(R); B-(P); C-(Q); D-(S)
- CA-(S); B-(R); C-(Q); D-(P)
- DA-(R); B-(Q); C-(S); D-(P)
Correct answer
D. A-(R); B-(Q); C-(S); D-(P)
Step-by-step solution
(A) Elastic collision
- By definition, perfectly elastic collision has coefficient of restitution .
((A) R)).
(B) Inelastic collision
- For inelastic collisions (not perfectly plastic), coefficient of restitution lies between (0 \lt e \lt 1).
(\sim(B) Q)).
(C) Explosion
- In an explosion, internal energy is released, so Final K.E. > Initial K.E.
(\sim(C) S)).
(D) Plastic collision (perfectly inelastic)
- In a perfectly plastic collision, bodies stick together, so .
(\sim().