NEET Physics Universal Law of Gravitation Match the Following Question
Match Column-I with Column-II.
| Column-I | Column-II |
|---|---|
| (a) Gravitational force formula | (i) 6.672×10 –11 N m 2 kg –2 |
| (b) Principle of superposition | (ii) Resultant gravitational force |
| (c) Characteristics of hollow shells | (iii) Attraction outside the shell |
| (d) Law of areas | (iv) Equal areas in equal times |
a-i, b-ii, c-iii, d-iv
a-ii, b-i, c-iv, d-iii
a-iii, b-iv, c-i, d-ii
a-iv, b-iii, c-ii, d-i
Correct Answer
Detailed Explanation
Newton's law of universal gravitation states that the gravitational force of attraction between two masses is given by FG = G(m1 * m2)/r^2, where G is the universal gravitational constant. The principle of superposition allows us to find the resultant force acting on a mass due to multiple other masses. The characteristics of hollow shells indicate that their gravitational attraction behaves as if the mass is concentrated at the center, and Kepler's law of areas states that a line drawn from a planet to the Sun sweeps out equal areas in equal times.
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