Physics – Quiz 1

The unit of work is the same as the unit of----is?

One horsepower=-----?

if a voltmeter measures 250V and frequency is 50Hz,what will be the peak value?

Consider a cup that is half-filled and rotating. What will happen if it is
filled to the brim?

The ratio of lengths of two wires made up of the same material is 2 : 3
and the ratio of areas of cross section 3 : 2 . The ratio of their resistances is?

Snow floats over water its reason is-------?

The same poles of a magnet-----each other?

The instrument used to measure pressure is called-?

Who discovered the inverse square law of gravity?

The unit of work is -------?

The distance between two bodies is called------?

If A = (2i + 3j), B = (3i + 4j), then A + B = ?

Momentum depends upon------?

At center of earth acceleration of gravity is ?

When a body moves in a circle, the angle between its linear velocity and angular velocity is always?

The minimum angle of projection for a projectile is?

What remains constant when the earth revolves around the sun?

Displacement is------quantity?

the peak of highest intensity in a mass spectrum is called the ?

In which motion gravity works zero on body ?

What is the reciprocal of bulk modulus?

A field in which the work is done in moving a body in a closed path is called zero?

According to the equation of continuity, A1V1 = A2V2 = constant, the constant is equal to?

Frequency is reciprocal to----?

Electrons have negative charge and its mass is ----?

If a voltmeter measures 250V and frequency is 50Hz,what will be the peak value?

The freezing point of water at kelvin degree centigrade is---- --?

If impedance is at its maximum value, the corresponding current will be?

Which scientist introduced the relationship between current voltage and resistance?

The device used in the hot ends of 3D printers to monitor the heat
produced and allow the printer to keep a constant temperature for
melting the plastic is called a ?

Magnetic field in a conductor is directly proportional to?

If the error in the measurement of mass is 2% and the error in the
measurement of velocity is 3%, then the error in the measurement of
kinetic energy is?

If a car travels for 2 hours and covers 120 miles we can work speed as?
the speed of the car is?

The dimensions of the time constant RL during the growth and decay of
current in all inductive circuits are the same as those of?

AC generators work on the principle of ?

if a convex lens and a concave lens have the same focal length of f,
the focal length of the combination will be ?

Balloons fly in the air. The reason is------?

Where is gravitational intensity the highest?

The acceleration of a free-falling object is?

Kinetic energy depends upon------?

In prism one angle is 90 degree and other are-----?

The gravitational field of the Earth is maximum at the?

The source of tidal energy is?

The relationship between stress and strain was introduced by---?

Derived units are how many?

What does the ratio of stress to strain represent?

The unit of charge is -----?

The term used to describe the average distance between two consecutive collisions is known as the?

Which pair has the same dimensions?

If force is 700N and x is 7 cm and y is 1 cm then work will be ?