 # MCQ Set 2 from Gravitation

MCQ on Gravitation pdf>> This is the second set of multiple choice questions with answers from chapter gravitation. These objective questions are very useful for any competitive examinations like SSC, CGL, CHSL Railway Group C & D and obviously for UPSC or IAS. So my dear aspirants i hope this will help you for preparing for govt job exams.

Before trying these questions as a quiz I would suggest you to read the important general knowledge from gravitation from the link given bellow.

Gravitation – Physics > GK

`Q.1` Gravitation force between two masses m1 and m2 is proportional to –

A: m1+m2
B: m1-m2
C: m1÷m2
D: m1×m2

m1×m2

`Q.2` Two masses m1 and mare kept at a distance R. Gravitation force between them is proportional to –

A: R
B: 1/R
C: 1/R2
D: R2

1/R2

`Q.3` Observe the following figures and answer the question. Which figure showing gravitational vs distance graph is correct?

A: option A
B: option B
C: option C
D: option D

Option C is correct.

`Q.4` Gravitational potential is –

A: proportional to distance
B: inversely proportional to distance
C: proportional to the square of the distance
D: inversely  proportional  to  the square  of  the  distance

inversely proportional to distance.

`Q.5` What is the escape velocity of moon?

A: 2.00 Km/sec
B: 2.38 km/sec
C: 3.28 km/sec
D: 2.83 km/sec

2.38 km/sec

`Q.6` What is the escape velocity of sun?

A: 618 km/sec
B: 200 km/sec
C: 322 km/sec
D: 465 km/sec

618 km/sec

`Q.7` If we through a ball upward then gravitational acceleration on the ball will be –

A: zero
B: positive
C: negative
D: negligible

negative

`Q.8` If we double the distance between two objects, gravitational force will be

A: double
B: half
C: one fourth
D: 4 times greater

one fourth

`Q.9` Which of the following statement(s) is/are correct?

1> value of gravitational acceleration decreases with height or depth from earth’s surface.
2> gravitational acceleration is maximum at pole.
3> value of gravitational acceleration increase due to rotation of earth.
4> If angular speed of earth become 17 times its present value, a body on the equator becomes weightless.

A: Only option 1 is correct;
B: Options 1 and 2 are correct;
C: Option 1, 2 and 3 are correct;
D: options 1, 2 and 4 are correct;

Options 1, 2 and 4 are correct

`Q.10` If we double the mass of an artificial satellite then its orbital speed –

A: will be double:
B: will be half of its initial speed;
C: will be one fourth of its initial speed:
D: is independent of its mass;