MDCAT Physics Chapter 7 online mcq test with answers for chapter 7 (Current Electricity)

MCQ's Test For MDCAT Physics Chapter 7 Light Online Test

Try The MCQ's Test For MDCAT Physics Chapter 7 Light Online Test

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MDCAT Physics Chapter 7 Light Online Test

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Question # 1

Which does not show polarization?

Longitudinal waves in gas A
Transverse wave in gas B
Both A and B C
None of these D

Question # 2

On a diffraction grating a large number of close parallel equidistant slits are ruled on it

By hand A
electronically B
mechanically C
none of them D

Question # 3

The conversion of electrical signals into light signals taken place due to

Generator A
Transmitter B
Receiver C
None of these D

Question # 4

Angular magnification of a simple microscope is given as

Question # 5

Identify the incorrect statement

The distance between the objective and eye-piece is 16.02 cm A
The angular magnification of the planet is 800 B
The image of the planet is inverted C
The objective is larger than the eye-piece D

Question # 6

Magnification of a convex lens is

M = p/d A
M = p/q B
M = q/p C
None of these D

Question # 7

When a light signal travels along the length of the optical fibre, the power lost by it is due to

Reflection A
Refraction B
Seattering and absorption C
Diffraction D

Question # 8

At the point of contact of the lens and the glass plate, the Newton's ring is

dark A
bright B
either of them C
neither of them D

Question # 9

In YDS experiment, if the distance between the slits and also the distance between slits and screen is doubled, the fringe width

Becomes doubled A
Becomes 4 times B
Is halved C
Remains the same D

Question # 10

When monochromatic light is incident, making certain angle, on a thin parallel film, the interference fringes formed are

straight A
circular B
square C
plane D

Question # 11

The study of atomic structure of crystals by X-rays was initiated by W.H.. Bragg and W.L. Bragg in

1920 A
1926 B
1910 C
1914 D

Question # 12

The reflected light is

Unpolarized A
Polarized B
Partially polarized C
None of these D

Question # 13

In case of YDS experiment, the distance of the mth bright fringe on the screen from center is

Y = (m + 1)λL/d A
Y = mλL/d B
Y = (m + 1/2)λL/d C
None of these D

Question # 14

The relation for the diffraction pattern, when it is minimum

d/2 sin θ = λ A
sin θ = λ/2 B
d sin θ = λ C
None of these D

Question # 15

A fibre optic communication system consists of

one major component A
two major components B
three major components C
four major components D

Question # 16

The angle with the horizontal at which an underwater swimmer will see the setting sun is

91° A
32° B
49° C
69° D

Question # 17

Light appears to travel in straight line because

It is not absorbed by the atmosphere A
It is refracted by the atmosphere B
Its wavelength is very small C
Its velocity is very large D

Question # 18

All of the following statements are correct except

The total focal length of an astronomical telescope is the sum of the focal lengths of its two lenses A
The image formed by the astronomical telescope is always erect because the effect of the combination of the two lenses is divergent B
The magnification of an astronomical telescope can be increased by decreasing the focal length of the eyepiece. C

Question # 19

In the thin film, the path difference of two reflected ray depends upon

Thickness of the film A
Nature of the film B
Angle of incidence C
All of these D

Question # 20

Optical fibres are of

Five type A
Two type B
Three type C
None of these D

Submit

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9 Questions
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Sr.#	Question	Answer
1	In diffraction grating has feature/features like	A. A glass plate B. A large numbers of lines are ruled C. Spacing between two lines acts as a slit D. All of these
2	Which of the following phenomenon cannot take place if we consider light as longitudinal wave?	A. diffraction B. interference C. polarization D. reflection
3	In Michelson interferometer if the moveable mirror is moved through a distance of 8λ then the number of fringes shifted are	A. 4 B. 8 C. 16 D. 32
4	In newton's rings see through the reflected light, centeral spo is:	A. Bright B. Dark C. Either of the Two D. None of these
5	The least distance of distinct vision changes with	A. Time B. Health C. illness D. Age
6	We can use Fibre optics system for	A. Image transmitting B. Word processing C. Image processing and recelving D. All
7	A typical diffraction grating has lines per centimeter	A. 10 to 100 B. 100 to 1000 C. 1000 to 5000 D. 400 to 5000
8	An optical fibre with its protective case may be typically 6.0 mm in diameter and yet it can replace bundle of copper of diameter	A. 6.79 cm B. 6.95 cm C. 7.52 cm D. 7.62 cm
9	How many types of the optical fibres are	A. One B. Two C. Three D. Four
10	Snell's Law is defined as	A. n1 sin θ₂ = n₂ sin θ B. n sin θ₁ = n₁ sin θ₂ C. n₁ sin θ₁ = n₂ sin θ₂ D. None of these

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MDCAT Physics Chapter 7 MCQ Test With Answer for (Light )

MCQ's Test For MDCAT Physics Chapter 7 Light Online Test

MDCAT Physics Chapter 7 Light Online Test

Which does not show polarization?

On a diffraction grating a large number of close parallel equidistant slits are ruled on it

The conversion of electrical signals into light signals taken place due to

Angular magnification of a simple microscope is given as

Identify the incorrect statement

Magnification of a convex lens is

When a light signal travels along the length of the optical fibre, the power lost by it is due to

At the point of contact of the lens and the glass plate, the Newton's ring is

In YDS experiment, if the distance between the slits and also the distance between slits and screen is doubled, the fringe width

When monochromatic light is incident, making certain angle, on a thin parallel film, the interference fringes formed are

The study of atomic structure of crystals by X-rays was initiated by W.H.. Bragg and W.L. Bragg in

The reflected light is

In case of YDS experiment, the distance of the mth bright fringe on the screen from center is

The relation for the diffraction pattern, when it is minimum

A fibre optic communication system consists of

The angle with the horizontal at which an underwater swimmer will see the setting sun is

Light appears to travel in straight line because

All of the following statements are correct except

In the thin film, the path difference of two reflected ray depends upon

Optical fibres are of

Prepare Complete Set Wise MDCAT Physics Chapter 7 Light Online Test MCQs Online With Answers

Set 1

Set 2

Set 3

Set 4

Set 5

Set 6

Set 7

Set 8

Set 9

Set 10

Set 11

Set 12

Set 13

Set 14

Set 15

Set 16

Set 17

Set 18

Set 19

Set 20

Set 21

Set 22

Set 23

Set 24

Set 25

Set 26

Set 27

Set 28

Set 29

Set 30

Set 31

Set 32

Set 33

Set 34

Set 35

Set 36

Set 37

Set 38

Set 39

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