MDCAT Physics MCQ's Test

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MDCAT Physics MCQ's Test

  • Total Questions40

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MDCAT Physics MCQ's Test

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Question # 1

In a full wave rectifier, the diode conducts during

Question # 2

The light signal in graded index fibre is totally confined due to

Question # 3

In a full wave rectifier with input frequency 50Hz. The frequency of pulsating D)C) received as an output across the load is

Question # 4

The time taken by light for its passage from M to m and back is

Question # 5

Addition of 2.2 kg. 10.2 grams and 10.01 grams gives the rounded of answer as:

Question # 6

The blue color of sky is due to:

Question # 7

Where in standing wave, do the vibrations of the medium occur?

Question # 8

The light source in the transmitter can be

Question # 9

Who attempted to measure the speed of light

Question # 10

The critical temperature Tc for Aluminium is

Question # 11

The regular array of atoms in a crystal has spacing of the order of

Question # 12

A charge is 90C passes through a wire in 1 hour and 15 minutes. Wat is the current in the wire?

Question # 13

A fibre optic communication system consists of

Question # 14

Which of the following gives three regions of the electromagnetic spectrum in order of increasing wavelength?

Question # 15

When the deformation produced in the material becomes permanent, this type of behaviour is called

Question # 16

Young's modulus for lead is

Question # 17

For obtaining equal and same height mirror should be

Question # 18

In Michelson's interferometer , the plates are placed in front of incident ray at an angle of:

Question # 19

Electromagnetic waves emitted by hot bodies are called:

Question # 20

A diffraction grating of length 2cm has 4000 lines The grating element is

Question # 21

A bomb of mass 30 kg at rest explodes into two pieces of masses 18 kg and 12 kg. The velocity of 18 kg mass is 6 ms1 The KE of other mass is

Question # 22

A point on the rim of wheel 400 cm in diameter has a velocity of 1600 cms-1 . The angular velocity of the wheel is:

Question # 23

All possible process/processes to get plane polarized light

Question # 24

A non-inverting amplifier has infinite input resistance then the voltage gain of noninverting amplifier will be:

Question # 25

A line which represents the direction of travel of a wave is known as:

Question # 26

Fringe spacing ΔY is the distance between two adjacent bring fringes on the screen is

Question # 27

An oscillating body oscillates due to:

Question # 28

After curie temperature iron is

Question # 29

Zirconia is classified as:

Question # 30

Between the plates of a parallel plate condenser there is 1mm thick paper of dielectric constant 4. Itis charged at 100 volt. The electric field in volt/meter between the plates of the capacitor is:

Question # 31

In metallic crystals which of the following thing remains constant?

Question # 32

A count rate 240 per minute reduces to 30 counts per min in 1 hour. The half-life of source is:

Question # 33

N-type crystal is

Question # 34

The ratio of size of the image to the size of the object is called

Question # 35

The transmitter in optical fiber system contains a device called

Question # 36

If the cover of a red book is observed in monochromatic blue light,It will appear

Question # 37

Which of the following is not true?

Question # 38

When the light is incident on polarizing angle which of the following is completely polarized?

Question # 39

When a silicon crystal is doped with a trivalent element, then the atom of the trivalent element is known as

Question # 40

The subtances which break just after the elastic limit is reached are known as:

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