NEET 2018 | Gravitation Question 20 | Physics

The kinetic energies of a planet in an elliptical orbit about the Sun, at positions A, B and C are K_A, K_B and K_C, 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

NEET 2018 Physics - Gravitation Question 19 English

K_A < K_B < K_C

K_A > K_B > K_C

K_B < K_A < K_C

K_B > K_A > K_C

NEET 2018

MCQ (Single Correct Answer)

-1

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?

Raindrops will fall faster.

Walking on the ground would become more difficult.

Time period of a simple pendulum on the Earth would decrease.

g on the Earth will not change.

NEET 2017

MCQ (Single Correct Answer)

-1

Two astronauts are floating in gravitational free space after having lost contact with their spaceship. The two will

move towards each other.

move away from each other.

will become stationary.

keep floating at the same distance between them.

NEET 2017

MCQ (Single Correct Answer)

-1

The acceleration due to gravity at a height at a height 1 km above the rearth is the same as at a depth d below the surface of earth. Then

d = 1 km

d = $${3 \over 2}$$ km

d = 2 km

d = $${1 \over 2}$$ km

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NEET Subjects

Biology

Zoology

Human Health and Diseases Body Fluids and Its Circulation Locomotion and Movement Neural Control and Coordination Reproduction in Organisms Reproductive Health Structural Organisation in Animals Digestion and Absorption Excretory Products and Their Elimination Chemical Coordination and Integration Human Reproduction Animal Kingdom Breathing and Exchange of Gases Evolution