Physics Test 1

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

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

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

The temperature of the core of the reactor rises to about

The charges on the quarks are

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

Which of the following is least multiple:

Work done on the body equals to the

The critical temperature for mercury is:

Doppler Effect applies to

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

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

Which of the following is not present in AC generator:

An accurate measurement of emf of a cell is made by

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

Slope of velocity time graph is

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

The SI unit of plane angle is

Heat is the form of:

Boyle’s law holds for ideal gases in

An example of scalar quantity is

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

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

The dimensions of stain are

Types of quarks are:

The emf of two cells can be compared by

The minimum number of unequal forces whose resultant will be zero

In which process entropy remains constant.

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

One amu is equal to __________

Which of the following is similar to electron

The idea of quantization of energy was  proposed by

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

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

The charge on the electron was calculated by:

The Celsius scale starts from:

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

The frequency of waves produced in microwaves oven is:

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

Voltmeter is used to measure:

The constant K in Coulomb’s Law depends upon

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

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

Tolerance for silver band is:

LASER light has the property of:

The SI unit of coefficient of viscosity is:

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

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

During projectile motion, the horizontal component of velocity: