Physics Test 1

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

An example of scalar quantity is

The temperature of the core of the reactor rises to about

The minimum number of unequal forces whose resultant will be zero

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

During projectile motion, the horizontal component of velocity:

The charges on the quarks are

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

One amu is equal to __________

Tolerance for silver band is:

Boyle’s law holds for ideal gases in

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

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

LASER light has the property of:

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

Voltmeter is used to measure:

Which of the following is not present in AC generator:

Work done on the body equals to the

An accurate measurement of emf of a cell is made by

Slope of velocity time graph is

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

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

Which of the following is least multiple:

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

The emf of two cells can be compared by

Doppler Effect applies to

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

The critical temperature for mercury is:

The charge on the electron was calculated by:

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

Types of quarks are:

The dimensions of stain are

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

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

Which of the following is similar to electron

The idea of quantization of energy was  proposed by

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

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

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

The frequency of waves produced in microwaves oven is:

The constant K in Coulomb’s Law depends upon

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

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

The Celsius scale starts from:

The SI unit of plane angle is

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

Heat is the form of:

In which process entropy remains constant.

The SI unit of coefficient of viscosity is:

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