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

In case of point source of light, shape of wavefront is:

Spherical A
Cylindrical B
Plane C
None of these D

Question # 2

Basic principle of an optical fibre is

Reflection A
Scattering B
Polarization C
Total internal reflection D

Question # 3

Alexander graham bell transmits a voice message via a

Beam of light A
Telescope B
Compound microscope C
Mirror D

Question # 4

In a astronomical telescope the final image for normal vision is formed at

The focal of the eye piece A
The least distance of the distinct vision B
The focus of the objective lens C
Infinity D

Question # 5

The minimum distance between an object and its image in a convex lens is

2 f A
2.5 f B
3 f C
3.5 f D

Question # 6

In diffraction grating has feature/features like

A glass plate A
A large numbers of lines are ruled B
Spacing between two lines acts as a slit C
All of these D

Question # 7

In spectrometer the function of collimator is to produce

Diverging beam of light A
Converging beam of light B
Parallel beam of light C
None of these D

Question # 8

How many fringes will pass a reference point if the moveable mirror of a Michelson s interferometer is moved 0.06 mm The wavelength of light used is 5.89 x10^-3 mm

200 A
300 B
20.4 C
2.3 D

Question # 9

For interference to occur the two light waves should be:

Of two different frequencies A
Coming from opposite directions B
Of high intensity C
Monochromatic D

Question # 10

If focal length of objective is increased

Magnifying power of compound microscope decreased A
Magnifying power of astronomical telescope increases B
The diameter of the objective lens C
None of these D

Question # 11

For a system to transmit thousands of telephones conversations, several television programs and numerous data signals, it need the following number so threads of optical fibre

100 to 200 A
1000 to 10000 B
100 to 1000 C
1 or 2 D

Question # 12

The study of atomic structures of crystals by X-rays was started in

1890 A
1905 B
1914 C
1944 D

Question # 13

The speed of light in vacuum or in air is

3 x 10¹⁰ m ! s A
3 x 10⁹ m ! s B
3 x 10⁸ m ! s C
3 x 10⁷ m ! s D

Question # 14

The image formed after objective lens of an astronomical telescope is

Inverted A
Diminished B
Real C
All of these D

Question # 15

Which of the following properties show light is transverse wave in nature?

Interference A
Reflection B
Diffraction C
Polarization D

Question # 16

The wave nature of light was proposed by

Einstein A
Maxwell B
Huygen C
Newton D

Question # 17

Due to Plano convex lens and the plane glass plate the thickness of air film changes from the center to outward

Increasing gradually A
Decreasing gradually B
It is constant at the centre C
None of these D

Question # 18

Multimode step index fibre has a core of relatively larger diameter such is

125 μm A
175 μm B
50 μm C
100 μm D

Question # 19

A two-slit arrangement is set up to produce an interference pattern on a screen. The fringes are too close together for convenient observation. How could the distance between them be increased?

by using a light of longer wavelength A
by increasing the width of the slits B
by decreasing the distance between the screen and slits C
the distance between the fringes is impossible D

Question # 20

If the incident light contains different wavelengths the images of each wavelength for a certain value is diffracted in the

Same directions A
Different direction B
Opposite direction C
None of these D

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

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Set 12

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Set 26

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Set 27

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Set 28

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Set 30

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Set 31

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Set 32

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Set 34

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Set 35

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Set 36

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Set 37

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Set 38

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Set 39

9 Questions
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MDCAT Physics Chapter 7 MCQ Test With Answer for Physics chapter 7 (Current Electricity)

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

MDCAT Physics Chapter 7 Light Online Test

In case of point source of light, shape of wavefront is:

Basic principle of an optical fibre is

Alexander graham bell transmits a voice message via a

In a astronomical telescope the final image for normal vision is formed at

The minimum distance between an object and its image in a convex lens is

In diffraction grating has feature/features like

In spectrometer the function of collimator is to produce

How many fringes will pass a reference point if the moveable mirror of a Michelson s interferometer is moved 0.06 mm The wavelength of light used is 5.89 x10-3 mm

For interference to occur the two light waves should be:

If focal length of objective is increased

For a system to transmit thousands of telephones conversations, several television programs and numerous data signals, it need the following number so threads of optical fibre

The study of atomic structures of crystals by X-rays was started in

The speed of light in vacuum or in air is

The image formed after objective lens of an astronomical telescope is

Which of the following properties show light is transverse wave in nature?

The wave nature of light was proposed by

Due to Plano convex lens and the plane glass plate the thickness of air film changes from the center to outward

Multimode step index fibre has a core of relatively larger diameter such is

A two-slit arrangement is set up to produce an interference pattern on a screen. The fringes are too close together for convenient observation. How could the distance between them be increased?

If the incident light contains different wavelengths the images of each wavelength for a certain value is diffracted in the

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

MDCAT Physics Chapter 7 Test

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How many fringes will pass a reference point if the moveable mirror of a Michelson s interferometer is moved 0.06 mm The wavelength of light used is 5.89 x10^-3 mm