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Viva questions for Physics Class 12
विज्ञान 10 – महत्वपूर्ण MCQs
Fundamentals of Arithmetic
Science 10 – Important MCQs

Gravitation L1

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Question 1 of 10

1. Question

What is the value of gravitational constant?

\(6.67 \times 10^{10}\) \(Nm^2/kg^2\)

\(6.67 \times 10^{11}\) \(Nm^2/kg^2\)

\(6.76 \times 10^{10}\) \(Nm^2/kg^2\)

\(6.76 \times 10^{12}\) \(Nm^2/kg^2\)

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Question 2 of 10

2. Question

Gravitational force between two objects

is directly proportional to square of the distance between two

is directly proportional to cube of the distance between two

is inversely proportional to square of the distance between two

is inversely proportional to cube of the distance between two

Correct

Incorrect
Question 3 of 10

3. Question

Acceleration due to gravity

decreases when we go above the earth’s surface and increases when we go down below the earth’s surface

increases when we go above the earth’s surface and decreases when we go down below the earth’s surface

increases either we go above the earth’s surface or go down below the surface

decreases either we go above the earth’s surface or go down below the surface

Correct

Incorrect
Question 4 of 10

4. Question

Potential energy due to gravity is due to

mass \(\times \) acceleration due to gravity \(\times \) \(height^2\)

mass \(\times \) acceleration due to gravity \(\times \) \(height\)

\(mass^2\) \(\times \) acceleration due to gravity \(\times \) \(height^2\)

\(mass^2\) \(\times \) acceleration due to gravity \(\times \) \(height\)

Correct

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Question 5 of 10

5. Question

Gravitational force depends on

mass of the earth only

mass of the object and mass of the earth only

mass of the object, mass of the earth, and the distance between the two masses

none of the above

Correct

Incorrect
Question 6 of 10

6. Question

Escape velocity of an object from the earth’s surface is equal to

11.2 m/s

11.2 km/s

9.8 m/s

9.8 km/s

Correct

Incorrect
Question 7 of 10

7. Question

The natural satellite of the earth is

Gaganyaan

NASA

Moon

Sun

Correct

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Question 8 of 10

8. Question

What is the time period of revolution of the moon around the earth?

28 days

27.3 days

28.3 days

29 days

Correct

Incorrect
Question 9 of 10

9. Question

Acceleration due to gravity on earth is ____ the acceleration due to gravity on moon.

more than

less than

equal to

none of the above

Correct

Incorrect
Question 10 of 10

10. Question

A ball of 100 g and a box of 20 kg, both are dropped in vacuum from a height of 10 m above earth’s surface. Which will reach the surface earlier?

ball

box

both will reach together

none of the above

Correct

Incorrect

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Passion JEE

"Stronger the roots, Brighter the future"

Points Table
Viva questions for Physics Class 12
विज्ञान 10 – महत्वपूर्ण MCQs
Fundamentals of Arithmetic
Science 10 – Important MCQs

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