Physics Test 1

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

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

The SI unit of plane angle is

The emf of two cells can be compared by

The charge on the electron was calculated by:

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

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

The charges on the quarks are

The constant K in Coulomb’s Law depends upon

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

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

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

During projectile motion, the horizontal component of velocity:

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

Types of quarks are:

In which process entropy remains constant.

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

An example of scalar quantity is

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

Which of the following is similar to electron

Work done on the body equals to the

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 oscillations in which amplitude decreased steadily with time are called:

An accurate measurement of emf of a cell is made by

LASER light has the property of:

The critical temperature for mercury is:

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

Which of the following is least multiple:

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

The minimum number of unequal forces whose resultant will be zero

Which of the following is not present in AC generator:

Slope of velocity time graph is

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

The frequency of waves produced in microwaves oven is:

The Celsius scale starts from:

Voltmeter is used to measure:

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

The idea of quantization of energy was  proposed by

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

The temperature of the core of the reactor rises to about

The dimensions of stain are

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

One amu is equal to __________

Doppler Effect applies to

Heat is the form of:

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

Boyle’s law holds for ideal gases in

The SI unit of coefficient of viscosity is:

Tolerance for silver band is:

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