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AFNS Physics Test 1

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PHYSICS TEST 1

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Heat is the form of:

2 / 50

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

3 / 50

Slope of velocity time graph is

4 / 50

The dimensions of stain are

5 / 50

The SI unit of plane angle is

6 / 50

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

7 / 50

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

8 / 50

Which of the following is not present in AC generator:

9 / 50

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

10 / 50

The charges on the quarks are

11 / 50

The constant K in Coulomb’s Law depends upon

12 / 50

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

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Which of the following is least multiple:

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

15 / 50

The minimum number of unequal forces whose resultant will be zero

16 / 50

Tolerance for silver band is:

17 / 50

The emf of two cells can be compared by

18 / 50

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

19 / 50

In which process entropy remains constant.

20 / 50

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

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One amu is equal to __________

22 / 50

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

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

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

25 / 50

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

26 / 50

The critical temperature for mercury is:

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The charge on the electron was calculated by:

28 / 50

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

29 / 50

Doppler Effect applies to

30 / 50

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

31 / 50

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

32 / 50

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

33 / 50

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

34 / 50

Types of quarks are:

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Voltmeter is used to measure:

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An example of scalar quantity is

37 / 50

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

38 / 50

Which of the following is similar to electron

39 / 50

The SI unit of coefficient of viscosity is:

40 / 50

Boyle’s law holds for ideal gases in

41 / 50

During projectile motion, the horizontal component of velocity:

42 / 50

The frequency of waves produced in microwaves oven is:

43 / 50

LASER light has the property of:

44 / 50

The idea of quantization of energy was  proposed by

45 / 50

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

46 / 50

The temperature of the core of the reactor rises to about

47 / 50

An accurate measurement of emf of a cell is made by

48 / 50

The Celsius scale starts from:

49 / 50

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

50 / 50

Work done on the body equals to the

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