Physics Test 2

Soap film exhibit brilliant colors in sun light due to:

The phase difference between coils of three phase A.C is

Motion of projectile is _____________ dimensional.

When two forces of 20N and 30N act simultaneously on a body, what is the maximum possible magnitude of their resultant force?

During charging of a capacitor, the ratio of instantaneous charge and maximum charge on plates of capacitors at t = RC is

Distance covered during one vibration of an oscillating body in term of amplitude A is:

The time period of a second's pendulum is?

Which of the following is not present in AC generator:

The blood pressure in the vessels is always:

The resistance between (+) and (-) of ideal Op- Amp is

A snooker ball moving with velocity v collides head on with another snooker ball of same mass at rest. If the collision is elastic, the velocity of the second snooker ball is:

An accurate measurement of emf of a cell is made by

The half of uranium – 238 is

The minimum number of unequal forces whose resultant will be zero

If particles P and R, each having the same mass, are dropped from rest through the same potential difference, where P has a charge of +q and R has a charge of +9q, what is the resulting ratio of their speeds?

The Celsius scale starts from:

Geo-stationary satellite completes one rotation around earth in.

Two vectors to be combined have magnitudes 60 N and 35 N. The correct answer for the magnitude of
their resultant will be:

Beats can be heard when the difference of frequency is not more than:

At center of earth acceleration of gravity is

An example of scalar quantity is

Kirchhoff’s first rule is:

How many times per second will an incandescent lamp reach maximum brilliance when connected to a 50Hz source?

Pull of earth on a mass of 20 kg on the surface of the earth is

The frequency of waves produced in microwaves oven is:

Derived units have-----kinds?

Which of the following waves could be polarized?

The substance in which the atoms don’t form
magnetic dipole are called

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

What is the acceleration experienced by a fog droplet as it falls downward?

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

Temperature, pressure etc are converted into electronic informations by devices called

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

If the density of a cube is determined by measuring the mass and length of its side, and the maximum error in measurement of mass and length is 3% and 2% respectively, what will be the maximum error in the measurement of density?

Which expression is correct for the time period of a simple pendulum:

Swing is produced to:

The least distance of distinct vision for a normal eye is:

Work done on the body equals to the

The SI unit of power is

The distance between two consecutive wave fronts is called:

Distance covered during one vibration of an oscillating body in term of amplitude A is:

The application of mutual induction is a

The Boolean expression X = A + B represents the logic operation of

There are types of modulation.

When the bob of simple pendulum is at extreme position, it ha

One mega watt hour is equal to.

When momentum is equal to K. E. what is the velocity? The velocity of the object is

An ideal voltmeter would have an infinite

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

A pipe has a cross-sectional area of 20 cm², and water is flowing out of the pipe with a velocity of 5 m/s. What is the mass of water that exits the pipe in 1 second?