DP CONSTABLE GK QUIZ

Question 1:

The acceleration due to gravity at the Earth's surface depends on

Only on Mass

Only on Radius

On both Mass and Radius

Neither Mass nor Radius

Question 2:

What will happen to the value of acceleration due to gravity when we go inside the earth?

Increases

Decreases

Remains same

First increase and then decrease

Question 3:

What will be initial velocity of a body if it is dropped from a height?

Positive

Negative

Zero

Can’t determine

Question 4:

Which of the following quantity is always directed vertically downwards?

Mass

Weight

Displacement

Velocity

Question 5:

What is the direction of the buoyant force on an object immersed in a liquid act?

Downward

Upward

Leftwards

Rightwards

Question 6:

Buoyancy is the upward force acting on the body when it is submerged in a liquid. Buoyant force depends on

Volume of the fluid displaced.

Density of the fluid in which the body is immersed.

Acceleration due to gravity in that particular place.

All of these

Question 7:

Which of the following is true?

Newton’s law of gravitation applies to small bodies only

The value of ‘g’ increases as we go above the earth’s surface.

Gravitational force depends on the medium between the two objects

The weight of an object at the centre of earth will be zero

Question 8:

The object will float when the -

weight of the water displaced is greater than the weight of the object.

weight of the water displaced is less than the weight of the object.

weight of the water displaced is equal to the weight of the object.

None of these

Question 9:

The working of the lactometer is based on which of the following ?

Mendel's law

Archimedes principle

Newton's law

Boyle's law

Question 10:

Which law of Newton provides a quantitative definition of force?

Universal law of gravitation

Second law of motion

First law of motion

Third law of motion