NEET Physics Gravitational Potential Energy Match the Following Question
Match Column-I with Column-II.
| Column-I | Column-II |
|---|---|
| (a) Escape Speed | (i) 11.2 km/s |
| (b) Gravitational Potential Energy at distance (R_e + h) | (ii) Negative value |
| (c) Kinetic Energy in circular orbit | (iii) Positive value |
| (d) Weight at the center of the Earth | (iv) Zero weight |
a-i, b-ii, c-iii, d-iv
a-ii, b-i, c-iv, d-iii
a-iv, b-iii, c-ii, d-i
a-iii, b-iv, c-i, d-ii
Correct Answer
Detailed Explanation
The escape speed on the earth's surface is 11.2 km/s, gravitational potential energy at (R_e + h) is negative, and the kinetic energy in a circular orbit is positive. At the center of the Earth, weight is zero, confirming all pairs in option A.
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