Physics Test 1

Which of the following is not present in AC generator:

The SI unit of plane angle is

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

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

Doppler Effect applies to

The SI unit of coefficient of viscosity is:

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

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

An accurate measurement of emf of a cell is made by

The frequency of waves produced in microwaves oven is:

Types of quarks are:

Voltmeter is used to measure:

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

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

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

The dimensions of stain are

The constant K in Coulomb’s Law depends upon

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

Heat is the form of:

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

The Celsius scale starts from:

The charge on the electron was calculated by:

The temperature of the core of the reactor rises to about

LASER light has the property of:

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

An example of scalar quantity is

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

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

Which of the following is similar to electron

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

In which process entropy remains constant.

Slope of velocity time graph is

Tolerance for silver band is:

The idea of quantization of energy was  proposed by

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

During projectile motion, the horizontal component of velocity:

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

The minimum number of unequal forces whose resultant will be zero

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

Which of the following is least multiple:

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

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

Boyle’s law holds for ideal gases in

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

Work done on the body equals to the

The charges on the quarks are

The emf of two cells can be compared by

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

The critical temperature for mercury is:

One amu is equal to __________