1
NEET 2023
+4
-1

Two bodies of mass $$m$$ and $$9 m$$ are placed at a distance $$R$$. The gravitational potential on the line joining the bodies where the gravitational field equals zero, will be ($$G=$$ gravitational constant) :

A
$$-\frac{12 G m}{R}$$
B
$$-\frac{16 G m}{R}$$
C
$$-\frac{20 G m}{R}$$
D
$$-\frac{8 G m}{R}$$
2
NEET 2023
+4
-1

A satellite is orbiting just above the surface of the earth with period $$T$$. If $$d$$ is the density of the earth and $$G$$ is the universal constant of gravitation, the quantity $$\frac{3 \pi}{G d}$$ represents :

A
$$T^{2}$$
B
$$T^{3}$$
C
$$\sqrt{T}$$
D
$$T$$
3
NEET 2022 Phase 2
+4
-1

A gravitational field is present in a region and a mass is shifted from A to B through different paths as shown. If W1, W2 and W3 represent the work done by the gravitational force along the respective paths, then :

A
W1 < W2 < W3
B
W1 = W2 = W3
C
W1 > W2 > W3
D
W1 > W3 > W2
4
NEET 2022 Phase 2
+4
-1

In a gravitational field, the gravitational potential is given by, $$V = - {K \over x}$$ (J/Kg). The gravitational field intensity at point (2, 0, 3) m is

A
$$+ {K \over 4}$$
B
$$+ {K \over 2}$$
C
$$- {K \over 2}$$
D
$$- {K \over 4}$$
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