Class 10 Science I – CET/Board Practice MCQ (Gravitation)

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CET MCQ Quiz Science I – Gravitaion

SSC MAHARASHTRA BOARD CLASS X

Science I – Gravitation MCQs

1 / 10

Value of acceleration due to gravity (g) _________ as we go deep inside the earth.

increases

increases initially and later decreases

decreases

decreases initially and later increases

2 / 10

For bodies which are not spherical or having an irregular shape, the direction of the force is along the line joining their_______

(A) centre of masses

(B) centres

both (A) and (B)

3 / 10

The square of orbital period of revolution of a planet around the Sun is directly proportional to the __________ of the mean distance of the planet from the Sun.

cube

square

cube root

square root

4 / 10

Which of the following statement is incorrect in case of centre of mass?

The centre of mass of a spherical object having uniform density at its geometrical centre.

The centre of mass of any object is always inside that object.

The centre of mass of any object having uniform density is at its centroid

All the mass of the object is assumed to be concentrated at the centre of mass

5 / 10

For an object at infinite distance from the earth, the value of acceleration due to gravity (g) is

9.73 m/s2

zero

9.8 m/s2

maximum

6 / 10

What would happen to the moon if the earth stops exerting force of attraction on it?

the moon will go away from the earth

the moon will collide on the earth

the moon will keep orbiting the earth

the moon will travel in a straight line which is tangent to its orbit

7 / 10

On the _______, value of acceleration due to gravity is 1/6 times that on the surface of the earth.

mars

sun

planet mercury

moon

8 / 10

The weight of an object on the moon is nearly _______ its weight on the earth.

1/9th

1/4th

1/3rd

1/6th

9 / 10

A ball of mass 2 kg is released from a height of 180 m and falls freely to the ground. Assuming that the value of g is 10 m/s2, the time taken by the ball to reach the ground is _______

2 s

4 s

5 s

6 s

10 / 10

The value of acceleration due to gravity

is least at the poles

is same at the equator and poles

is maximum at the centre of the earth

is least at the equator

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Note:→ The following Quiz helps students to learn and practice Objectives.→ Each Quiz is of 10 questions→ Quiz has timer→ Questions will appear randomly→ To practice all objectives students are supposed to take Quiz again and again.

The above quiz consists of these topics: ⇒ Class 10 Science Part – 1 Chapter – 1 Gravitation

Note:
→ The following Quiz helps students to learn and practice Objectives.
→ Each Quiz is of 10 questions
→ Quiz has timer
→ Questions will appear randomly
→ To practice all objectives students are supposed to take Quiz again and again.

The above quiz consists of these topics:
⇒ Class 10 Science Part – 1 Chapter – 1 Gravitation