Gravitation-Gravitational Acceleration (NEET Physics): Questions 10 - 14 of 20

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Question number: 10

» Gravitation » Gravitational Acceleration

MCQ▾

Question

What will be the acceleration due to gravity on the surface of the moon if its radius is Equation th the radius of the earth and its mass is Equation th the mass of the earth

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 11

» Gravitation » Gravitational Acceleration

Assertion-Reason▾

Assertion (Ꭺ)

There is no effect of rotation of earth on the value of acceleration due to gravity at poles.

Reason (Ꭱ)

Rotation of earth is about polar axis.

Choices

Choice (4) Response

a.

Both Ꭺ and Ꭱ are false

b.

Ꭺ is false but Ꭱ is true

c.

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

d.

Ꭺ is true but Ꭱ is false

Question number: 12

» Gravitation » Gravitational Acceleration

MCQ▾

Question

At what height above the earth’s surface the acceleration due to gravity will be Equation of its value at the earth’s surface? (Radius of earth is 6400 km)

Choices

Choice (4) Response

a.

128 km

b.

128000 km

c.

1280 km

d.

12800 km

Question number: 13

» Gravitation » Gravitational Acceleration

MCQ▾

Question

What will be the acceleration due to gravity on the surface of the moon if its radius is Equation the radius of the earth and its mass is Equation the mass of the earth?

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 14

» Gravitation » Gravitational Acceleration

MCQ▾

Question

At what height above the earth’s surface does the force of gravity decrease by 10%? Assume radius of earth to be 6370 km.

Choices

Choice (4) Response

a.

245 km

b.

300 km

c.

150 km

d.

345 km

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