RE-NEET2024Physics-Mechanics
RE-NEET 2024 Physics Conservation of Energy MCQ Question
Type: MCQ-numerical-Easy-Class 11
An object falls from a height of 10 m above the ground. After striking the ground it loses 50% of its kinetic energy. The height upto which the object can rebounce from the ground is:
A
7.5 m
B
10 m
C
2.5 m
D
5 m
Correct Answer
Option D
Detailed Explanation
The object loses 50% of its kinetic energy, so it retains 50%. The potential energy at the maximum height is proportional to the kinetic energy retained. Thus, the rebounce height is 0.5 * 10 m = 5 m.
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