Physics Test 1

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

An example of scalar quantity is

[ML-1 T -2] is the dimension of

The charges on the quarks are

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

Lenz’s law is in accordance with the law of conservation of:

Boyle’s law holds for ideal gases in

The critical temperature for mercury is:

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

Slope of velocity time graph is

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

If a radioactive isotope of silver have a half life of about 7.5 days. After 15 days the remaining isotope of its original is

The charge on the electron was calculated by:

The emf of two cells can be compared by

Which of the following is similar to electron

During projectile motion, the horizontal component of velocity:

In RLC series AC circuit, when XL = XC then impedance is

One amu is equal to __________

The SI unit of coefficient of viscosity is:

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

If a body of mass 10 kg is allowed to fall freely, its weight becomes.

Work done on the body equals to the

The dimensions of stain are

Doppler Effect applies to

Photon ‘A’ has twice the energy of photon ‘B’. What is the ratio of the momentum of ‘A’ to that of ‘B’?

When motor is at its Max. speed the back  e.m.f will be

The minimum number of unequal forces whose resultant will be zero

Which of the following is not present in AC generator:

Tolerance for silver band is:

The constant K in Coulomb’s Law depends upon

The oscillations in which amplitude decreased steadily with time are called:

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

In which process entropy remains constant.

The magnitude of dot and cross product of two vectors are 6√3 and 6 respectively. The angle between them will be

The idea of quantization of energy was  proposed by

The temperature of the core of the reactor rises to about

Types of quarks are:

The property of a system that remains constant during an adiabatic process is called:

LASER light has the property of:

The internal energy of an ideal gas is directly proportional to:

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

For which position, blood pressure in the body have the smallest value?

If the temperature of the sink is decreased, the efficiency of Carnot engine:

Heat is the form of:

An accurate measurement of emf of a cell is made by

Which of the following is least multiple:

The frequency of waves produced in microwaves oven is:

The SI unit of plane angle is

Voltmeter is used to measure:

The Celsius scale starts from: