Physics Test 1

The minimum number of unequal forces whose resultant will be zero

LASER light has the property of:

Tolerance for silver band 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

An accurate measurement of emf of a cell is made by

Boyle’s law holds for ideal gases in

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

The charge on the electron was calculated by:

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

Heat is the form of:

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

The dimensions of stain are

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

Which of the following is least multiple:

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

The constant K in Coulomb’s Law depends upon

The emf of two cells can be compared by

Slope of velocity time graph is

Which of the following is similar to electron

The idea of quantization of energy was  proposed by

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

The critical temperature for mercury is:

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

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

The SI unit of plane angle is

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

During projectile motion, the horizontal component of velocity:

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

The Celsius scale starts from:

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

Doppler Effect applies to

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

The SI unit of coefficient of viscosity is:

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

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

The frequency of waves produced in microwaves oven is:

The charges on the quarks are

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

The temperature of the core of the reactor rises to about

Work done on the body equals to the

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

Which of the following is not present in AC generator:

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

In which process entropy remains constant.

One amu is equal to __________

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

Types of quarks are:

An example of scalar quantity is

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

Voltmeter is used to measure: