Gravitation-Universal Law of Gravitation (NEET Physics): Questions 10 - 14 of 21

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Question number: 10

» Gravitation » Universal Law of Gravitation

MCQ▾

Question

A particle is suspended from a spring and it stretches the spring by 1 cm on the surface of earth. The same particle will stretches the same spring at a place 800 km above earth surface by -

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 11

» Gravitation » Universal Law of Gravitation

MCQ▾

Question

Three particles of equal mass m are situated at the vertices of an equilateral triangle of side l. What should be the velocity of each particle, so that they move on a circular path without changing l?

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 12

» Gravitation » Universal Law of Gravitation

MCQ▾

Question

What is the mass of the planet that has a satellite whose time period is T and orbital radius is r?

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 13

» Gravitation » Universal Law of Gravitation

MCQ▾

Question

A particle is suspended from a spring and it stretches the spring by 2 cm on the surface of earth. The same particle will stretches the same spring at a place 600 km above earth surface by -

Choices

Choice (4) Response

a.

0.95 cm

b.

1.35 cm

c.

1.67 cm

d.

1.8 cm

Question number: 14

» Gravitation » Universal Law of Gravitation

MCQ▾

Question

The gravitational force between two point masses m 1 and m 2 at separation r is given by

Equation

The constant k doesn’t

(1) Depend on medium between masses

(2) Depend on the place

(3) Depend on time

(4) Depend on system of units

Select the correct answers and mark it according to the following codes:

Choices

Choice (4) Response

a.

1 and 2 are correct

b.

1, 2 and 3 are correct

c.

2 and 4 are correct

d.

1 and 3 are correct

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