1
NEET 2019
MCQ (Single Correct Answer)
+4
-1
Change Language
The work done to raise a mass m from the surface of the earth to a height h, which is equal to the radius of the earth, is :
A
mgR
B
2mgR
C
$${1 \over 2}$$mgR
D
$${3 \over 2}$$mgR
2
NEET 2019
MCQ (Single Correct Answer)
+4
-1
Change Language
A body weight 200 N on the surface of earth. How much will it weight half way down to the centre of the earth?
A
200 N
B
250 N
C
100 N
D
150 N
3
NEET 2018
MCQ (Single Correct Answer)
+4
-1
Change Language
The kinetic energies of a planet in an elliptical orbit about the Sun, at positions A, B and C are KA, KB and KC, respectively. AC is the major axis and SB is perpendicular to AC at the position of the Sun S as shown in the figure. Then NEET 2018 Physics - Gravitation Question 19 English
A
KA < KB < KC
B
KA > KB > KC
C
KB < KA < KC
D
KB > KA > KC
4
NEET 2018
MCQ (Single Correct Answer)
+4
-1
Change Language
If the mass of the Sun were ten times smaller and the universal gravitational constant were ten times larger in magnitude, which of the following is not correct?
A
Raindrops will fall faster.
B
Walking on the ground would become more difficult.
C
Time period of a simple pendulum on the Earth would decrease.
D
g on the Earth will not change.
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