ECAT Pre General Science MCQ's Test For Physics Full Book

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  • Chapter NameCh 13 - Current Electricity

ECAT Pre General Science MCQ's Test For Physics Full Book

  • Total Questions30

  • Time Allowed30

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ECAT Pre General Science MCQ's Test For Physics Full Book

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Question # 1

Radioactivity

Question # 2

Electromagnetic waves emitted by hot bodies are called:

Question # 3

A typical rocket ejects the burnt gases at speeds over

Question # 4

The basic circuit element in D.C. circuit is:

Question # 5

Which of the following are the units of intensity of light

Question # 6

The internal energy of an ideal gas system is generally the

Question # 7

Which of the following is/are example/s if mechanical waves i.e. waves generated in _______:

Question # 8

Mathematical manipulation of the two quantized states can be best carried if they are represented by

Question # 9

Light waves are:

Question # 10

The net force acting on a 100 kg man standing in an elevator accelerating downward with a = 0.8 m sec-2comes out to:

Question # 11

The kinetic energy of one molecule of a gas at normal temperature and pressure will be (k = 8.31 J/mole K) :

Question # 12

Work done by the force of friction is always

Question # 13

The magnetic field in the middle of a solenoid due to current is

Question # 14

Two vectors to be combined have magnitudes of 60 N and 35 N. Pick the possible answer:

Question # 15

The range of particle depends upon the factor

Question # 16

The velocity of light in vacuum can be changed by changing

Question # 17

Ultraviolet region lies in ______ series

Question # 18

A ten ohm electric heater operates on a 110 V line. Calculate the rate at which it develops heat in watts

Question # 19

In crystalline solids, atoms are held about their equilibrium positions depending upon the strength of:

Question # 20

Majority charge carriers in the p-region of p-n junction are:

Question # 21

Thermocouple is an arrangement of two different metals

Question # 22

The velocity of falling raindrop attains limited value because of

Question # 23

In amplitude modulation, the amplitude of carrier wave changes in proportion to.

Question # 24

The charge per unit time through any cross-section of a conductor is called

Question # 25

The minimum wavelength of X-rays produced of 1KV potential difference is applied across the anode and cathode of the tube is

Question # 26

If the velocity time graph is a straight line parallel to the time-axis, then it means:

Question # 27

The displacement of body executing SHM is

Question # 28

The concept of direction is purely:

Question # 29

Which of the following should remain constant if no torque acts upon a body.

Question # 30

The unit of resistance is

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