1
NEET 2022 Phase 1
+4
-1

A body of mass 60 g experiences a gravitational force of 3.0 N, when placed at a particular point. The magnitude of the gravitational field intensity at that point is

A
0.05 N/kg
B
50 N/kg
C
20 N/kg
D
180 N/kg
2
NEET 2022 Phase 1
+4
-1

Match List - I with List - II

List - I List - II
(a) Gravitational constant (G) (i) $$[{L^2}{T^{ - 2}}]$$
(b) Gravitational potential energy (ii) $$[{M^{ - 1}}{L^3}{T^{ - 2}}]$$
(c) Gravitational potential (iii) $$[L{T^{ - 2}}]$$
(d) Gravitational intensity (iv) $$[M{L^2}{T^{ - 2}}]$$

Choose the correct answer from the options given below

A
(a)-(ii), (b)-(i), (c)-(iv), (d)-(iii)
B
(a)-(ii), (b)-(iv), (c)-(i), (d)-(iii)
C
(a)-(ii), (b)-(iv), (c)-(iii), (d)-(i)
D
(a)-(iv), (b)-(ii), (c)-(i), (d)-(iii)
3
NEET 2021
+4
-1
The escape velocity from the Earth's surface is v. The escape velocity from the surface of another planet having a radius, four times that of Earth and same mass density is :
A
4$$\upsilon$$
B
$$\upsilon$$
C
2$$\upsilon$$
D
3$$\upsilon$$
4
NEET 2021
+4
-1
A particle of mass 'm' is projected with a velocity $$\upsilon$$ = kVe = (k < 1) from the surface of the earth. (Ve = escape velocity)

The maximum height above the surface reached by the particle is :
A
$${{R{k^2}} \over {1 - {k^2}}}$$
B
$$R{\left( {{k \over {1 - {k^2}}}} \right)^2}$$
C
$$R{\left( {{k \over {1 + {k^2}}}} \right)^2}$$
D
$${{{R^2}k} \over {1 + k}}$$
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