Gravitation-Gravitational Potential (NEET Physics): Questions 1 - 4 of 8

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 2098 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 550.00 or

Question number: 1

» Gravitation » Gravitational Potential

Assertion-Reason▾

Assertion (Ꭺ)

Gravitational potential of earth at every place on it is negative.

Reason (Ꭱ)

Everybody on earth is bound by the attraction of earth.

Choices

Choice (4) Response

a.

Ꭺ is false but Ꭱ is true

b.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

c.

Both Ꭺ and Ꭱ are false

d.

Ꭺ is true but Ꭱ is false

Question number: 2

» Gravitation » Gravitational Potential

MCQ▾

Question

Two satellites S 1 and S 2 revolve round a planet in the same direction in circular orbits. Their periods of revolutions are 1 hour and 6 hour respectively. The radius of S 1 is 1.5 ⨯ 10 5 km. The velocity of S 2 with respect to S 1 will be

Choices

Choice (4) Response

a.

1.35π×105km/hr

b.

π3×104km/hr

c.

π×104km/hr

d.

2π×104km/hr

Question number: 3

» Gravitation » Gravitational Potential

MCQ▾

Question

Two satellites S 1 and S 2 revolve round a planet in the same direction in circular orbits. Their periods of revolutions are 1 hour and 8 hour respectively. The radius of S 1 is 10 4 km. The velocity of S 2 with respect to S 1 will be

Choices

Choice (4) Response

a.

π3104kmhr

b.

π2104kmhr

c.

π104kmhr

d.

2π104kmhr

Question number: 4

» Gravitation » Gravitational Potential

MCQ▾

Question

The radius of the earth is R e and the acceleration due to gravity at its surface is g. The work required in raising a body of mass m to a height h form the surface of the earth will be,

Choices

Choice (4) Response

a.

mgh(1hRe)

b.

mg(1+hRe)

c.

mgh(1+hRe)2

d.

mgh(1+hRe)

Sign In