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

Total Questions20
Time Allowed20

Start Test Download PDF

MDCAT Physics Chapter 7 Light Online Test

00:00

Question # 1

A convex lens of focal length 5 cm is used as magnifying glass Its magnifying power when the image is formed at infinity

6 A
5 B
1.5 C
7 D

Question # 2

Fire optics has ability to transmit

Thousand telephone conversation A
Several television programs B
Numerous data signals between stations C
All of these D

Question # 3

The superposition of the two waves of same frequency and amplitude travelling in the same direction gives rise to an effect called:

Diffraction A
Interference B
Polarization C
Dispersion D

Question # 4

We can observe only when the grating spacing is

of the order of the wavelength used A
greater than the wavelength used B
less than the wavelength used C
any one of them D

Question # 5

The distance between the centres of two consecutive bright fringes (or dark fringes) is called

wavelength A
fringe width B
amplitude C
path difference D

Question # 6

Newton's rings are formed as a result of

diffraction of light A
dispersion of light B
interference of light C
polarization of light D

Question # 7

In compound microscope magnification of objective is 2 and magnification of eyepiece is 4 magnification of compound microscope is

2 A
6 B
8 C
None D

Question # 8

Fiber optics also used to transmit light

Around corners A
Into inaccessible place B
Formerly unobservable objects C
All of these D

Question # 9

In Young's double slit experiment,the separation between the slits is made 3 fold the fringe width becomes

1/3 times A
1/9 times B
3 times C
9 times D

Question # 10

Which one of the following can act approximately as a source of monochromatic light

Neon lamp A
Fluorescent tube B
Sodium lamp C
none of these D

Question # 11

Which does not show polarization

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

Question # 12

With the help of interferometer, we can find the

Wavelength A
Frequency B
Phase C
None of these D

Question # 13

Near and far points of a healthy human eye respectively are

0 and 25 cm A
0 and infinity B
25 cm and 100 cm C
25 cm and infinity D
E

Question # 14

Why laser rays are used to measure long distance?

Laser rays propagate in a straight A
Laser rays are not absorbed B
Laser rays are most coherent waves C
Laser rays are high velocity waves D

Question # 15

One angshom is equal to?

10^-8cm A
10^-6m B
10^-10nm C
10^-8nm D

Question # 16

If d = 0.25 cm Y = 0.059 cm L = 100 cm m = 2 then λ is equal to

567 nm A
569 nm B
590 nm C
596 nm D

Question # 17

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

6.79 cm A
6.95 cm B
7.52 cm C
7.62 cm D

Question # 18

To observe diffraction phenomenon the size of a obstacle

Should be much larger than the wavelength A
Should be of the same order as the wavelength B
Have no relation of wavelength C
Should be exactly λ/2 D

Question # 19

The light signal in an optical fibre is totally confined due to the

total internal reflection A
continuous refraction B
both of them C
either of them D

Question # 20

How many major components of fibre optic communication system are

Submit

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

Set 1

20 Questions
Start
Set 2

20 Questions
Start
Set 3

20 Questions
Start
Set 4

20 Questions
Start
Set 5

20 Questions
Start
Set 6

20 Questions
Start
Set 7

20 Questions
Start
Set 8

20 Questions
Start
Set 9

20 Questions
Start
Set 10

20 Questions
Start
Set 11

20 Questions
Start
Set 12

20 Questions
Start
Set 13

20 Questions
Start
Set 14

20 Questions
Start
Set 15

20 Questions
Start
Set 16

20 Questions
Start
Set 17

20 Questions
Start
Set 18

20 Questions
Start
Set 19

20 Questions
Start
Set 20

20 Questions
Start
Set 21

20 Questions
Start
Set 22

20 Questions
Start
Set 23

20 Questions
Start
Set 24

20 Questions
Start
Set 25

20 Questions
Start
Set 26

20 Questions
Start
Set 27

20 Questions
Start
Set 28

20 Questions
Start
Set 29

20 Questions
Start
Set 30

20 Questions
Start
Set 31

20 Questions
Start
Set 32

20 Questions
Start
Set 33

20 Questions
Start
Set 34

20 Questions
Start
Set 35

20 Questions
Start
Set 36

20 Questions
Start
Set 37

20 Questions
Start
Set 38

20 Questions
Start
Set 39

9 Questions
Start

Sr.#	Question	Answer
1	The components of a fibre optic communication system is/are	A. At transmitter B. An optical fibre C. Receiver D. All of these
2	Propagation of light in an optical fiber requires that light should be	A. Refracted from air to fiber B. Continuously refraction C. Totally reflected within the fiber D. Both B and C
3	A limited region taken on a wavefront which is far away form the source is	A. plane wavefront B. circular wavefront C. spherical wavefront D. elliptical wavefront
4	Reflection of light from water, glass, snow and rough road surfaces, for larger angle of incidences, produces	A. images B. bright images C. interference D. glare
5	The appearance of colours in the shape (or oil) film results from:	A. Dispersion B. Interference C. Reflection D. Refraction
6	There will be no change in _______ of light entering glass	A. Velocity B. Frequency C. Direction D. Wavelength
7	The speed of light in vacuum is 3 x 10⁸ ms^-1.Its speed in a medium of refractive index 1.5 will be	A. 6.5 x 10⁸ B. 2 x 10⁸ ms^-1 C. 4.5 x 10⁸ cm D. 5.5 x 10⁸
8	In case of diffraction grating, unit of grating element is:	A. Centimeter B. Kilometer C. As that of g D. as that of angle
9	The brilliance of diamond is	A. Entirely due to refractive index B. Entirely due to total internal reflection C. Partly due to total internal reflection D. None of the above
10	In case of destructive interference of two waves, the amplitude of the resultant wave will be ______ either of the waves	A. Greater then B. Smaller then C. Equal to D. None of these

Latest Educational News Stories

Pakistan's Largest Database of Colleges and Universities

BS Programs

University Past Papers

University Results

Exam Results 2024

Study Abroad Programs and Opportunities for Pakistani Students

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

A convex lens of focal length 5 cm is used as magnifying glass Its magnifying power when the image is formed at infinity

Fire optics has ability to transmit

The superposition of the two waves of same frequency and amplitude travelling in the same direction gives rise to an effect called:

We can observe only when the grating spacing is

The distance between the centres of two consecutive bright fringes (or dark fringes) is called

Newton's rings are formed as a result of

In compound microscope magnification of objective is 2 and magnification of eyepiece is 4 magnification of compound microscope is

Fiber optics also used to transmit light

In Young's double slit experiment,the separation between the slits is made 3 fold the fringe width becomes

Which one of the following can act approximately as a source of monochromatic light

Which does not show polarization

With the help of interferometer, we can find the

Near and far points of a healthy human eye respectively are

Why laser rays are used to measure long distance?

One angshom is equal to?

If d = 0.25 cm Y = 0.059 cm L = 100 cm m = 2 then λ is equal to

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

To observe diffraction phenomenon the size of a obstacle

The light signal in an optical fibre is totally confined due to the

How many major components of fibre optic communication system are

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

Topic Test

Top Scorers Of MDCAT Physics Chapter 7 Light Online Test MCQ`s Test

MCAT Physics Chapter 7 Important MCQ's

Test Questions

Share your comments & questions here