Physics MCQs

Which one of the following unit is not a derived unit?

The number of base units in SI are:

Significant figures in an expression are?

Identify the base quantity in the following?

A measuring cylinder is used to measure?

A student claimed the diameter of a wire as 1.032 cm using Vernier calipers. Up to ‘what extent do you agree with it?

Which instrument is most suitable to measure the internal diameter of a test tube?

Which one of the following is the smallest quantity?

Amount of a substance in terms of numbers is measured in?

A car starts from rest. 1t acquires a speed of 25 ms-1 after 20 s. the distance moved by the car during this time is?

A train is moving at a speed of 36kmh-1 . Its speed expressed in ms-1 is?

A change in position is called?

By dividing displacement of a moving body with time, we obtain?

A straight line parallel to time-axis on a distance-time graph tells that the object is?

If an object is moving with constant speed then its distance-time graph will be a straight line?

Which of the following is a vector quantity?

The motion of a body around an axis is called motion?

A body has translatory motion if it moves along a?

A ballis thrown vertically upward. It velocity at the highest point is?

Inertia depends upon ?

When horse pulls a cart, the action is on the?

Which of the following is the unit of momentum?

A boy jumps out of a moving bus. There is a danger for him to fall?

A string is stretched by two equal and opposite forces of 10 N each. The tension in the string is?

The mass of a body ?

Which of the following material lowers friction when pushed between metal plates?

Newton’s first law of motion is valid only in the absence of?

Racing cars are made stable by ?

A body is in neutral equilibrium when its centre of gravity?

A body is in equilibrium when its?

A couple is formed by ?

A force of 10 N is making an angle of 30° with the horizontal. Its horizontal component will be?

The number of perpendicular components of forees are?

The number of forces that can be added by head to tail rule are?

Two equal but unlike parallel forces having different line of action produces?

The orbital speed of a low orbit satellite is ?

The altitude of geostationary orbits in which communications satellites are launched above the surface of Earth is:

The value of g on moon’s surface is 1.6 ms . What will be the weight of a 100 kg body on the surface of the moon?

The value of g at a height one Earth’s radius above the surface of Earth is?

Value of g increases with the ?

Earth’s gravitational force of attraction vanishes at?

Rate of doing work is called?

In Einstein's mass-energy equation, c is the?

The energy stored in a dam is?

The energy stored in coal is?

When a body is lifted through a height 'H', the work done on it appears in the form of its?

Which one of the following converts light energy into electrical energy?

The Kinetic energy of a body of mass 2 kg is 25 J. Its speed is?

The work done in lifting a brick of mass 2 kg through a height of 5 m above the ground will be?

If the velocity of a body becomes double, then its kinetic energy will?

IF the direction of motion of the force is perpendicular to the direction of motion of the body, then work done will be?

The work done will be zero when the angle between force and distance is?

According to Hooke's law?

The density of a substance can be found with the help of?

According to Archimedes, upthrust is equal to?

What should be the approximate length of a glass tube to construct a water barometer?

SI unit of pressure is Pascal, which is equal to?

Which of the substances is the lightest one?

In which of the following state, molecules do not leave their position?

Which of the following affects evaporation?

A large water reservoir keeps temperature of nearby land moderate due to?

What will be the value of p for a solid for which o has value of 2 x 10-5 K-1?

Which of the following material has large value of temperature coefficient of linear expansion?

Which of the following material has large specific heat?

Mercury is used as thermometric material because it has?

Normal human body temperature is?

Water freezes at?

In solids, heat is transferred by?

In gases, heat is mainly transferred by?

False ceiling is done to?

What happens to the thermal conductivity of a wall if its thickness is doubled?

Metals are good conductor of heat due to the?

Convection of heat is the process of heat transfer due to the ...... of the molecules?

Styrofoam is a?

Land breeze blows from?

Rooms are heated using gas heaters by?

Which of the following is a good radiator of heat?

Unit of thermal conductivity is?