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

A new type of optical fibre in which central core has high refractive index and its density gradually decreases towards its periphery is called

Step index fibre A
Multimode step index fibre B
Multimode graded index C
None of these D

Question # 2

The resolving power of human eye is

1° A
2° B
3° C
6° D

Question # 3

We can divide the optical fibres on the basis of the mode by which they propagate light in

two types A
three types B
four types C
many types D

Question # 4

A compound microscope is consists of

One convex lens A
Two convex lenses B
Two concave lenses C
None of these D

Question # 5

Which mode can carry more than 14 TV channels or 14000 phone cells?

single mod step index A
multimode step index B
multimode graded index C
all of them D

Question # 6

If a lens is cut into two piece perpendicular to the principal axis and only part is used the intensity of the image:

Remains same A
1/2 times B
2 times C
Infinite D

Question # 7

Albert A. Michelson devised interferometer is

1820 A
1845 B
1860 C
1881 D

Question # 8

At what distance should a book be placed from a 50 Cd bulb so that the luminance on the book becomes 2 Im m^-2

50 m A
10 m B
5 m C
1 m D

Question # 9

A beam of light of wavelength is incident normally on a grating of element d the angle between the zero-order and first -order spectra depends on

λ only A
d only B
λ and d C
λ d and distance of screen from the grating D

Question # 10

Newton's rings are:

Rectangular A
Spherical B
Concentric circles C
None of these D

Question # 11

The phenomenon of blending of around edges of an obstacle is called:

Interfarance A
Defraction B
Polorisation C
None of above D

Question # 12

A simple telescope is consists of

One convex lens A
Two convex lenses B
Three convex lenses C
None of these D

Question # 13

A usual way to obtain a plane wave is to place point source of light at the focus of a

concave lens A
convex lens B
both of them C
either of them D

Question # 14

A lens of 2 cm focal length is to be used as a magnifying glass. Its magnification is

13.5 A
12.5 B
0.5 C
2.5 D

Question # 15

How many major components of fibre optic communication system are

Question # 16

The colour of light is determined by is

Wavelength A
Frequency B
Velocity C
Amplitude D

Question # 17

Which one of the following is nearly monochromatic

Light from candle A
Light from simple lamp B
Light from sodium lamp C
Light from sun D

Question # 18

In case of a point source, the shape of the wavefront is

straight A
elliptical B
oval C
spherical D

Question # 19

Resolving power of a telescope depends on:

The magnification of eyepiece A
The focal length of objective lens B
Diameter of objective lens C
Refractive index of objective lens D

Question # 20

Two sources of waves are called coherent if

Both have the same amplitude of vibrations A
Both produce waves of the same wavelength B
Both produce waves of the same wavelength having a constant phase difference C
Both produce waves having the same velocity D

Submit

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

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Set 39

9 Questions
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Sr.#	Question	Answer
1	Glare produces when light reflects from water snow and rough road surfaces when their angle of incidence is	A. Small B. Large C. Very large D. None of these
2	Commercial polarizing material is	A. Colour glass B. Infra red glass C. Polaroid glass D. None of these
3	An oil surface floating on water surface exhibits beautiful colour patter, which is due to	A. Reflection of light B. Diffraction of light C. Interference of light D. None of these
4	When an image is placed at the focal length of the eye piece, the final image formed at	A. 2 F B. 4 F C. 6 F D. Infinity
5	The light from the sun reaches to earth with wavefronts	A. Spherical B. Cylindrical C. Plane D. None of these
6	The colour of light is determined by is	A. Wavelength B. Frequency C. Velocity D. Amplitude
7	If a point source of light is placed at the focus of a convex lens the rays coming out of the lens will constitute	A. Plane wave fronts B. Cylindrical wave fronts C. Spherical wave fronts D. All of above
8	The relation d sinθ = nλ, where 'n' is the	A. Number of bright fringes B. Number of dark fringes C. Order of the spectrum D. None of these
9	The property of bending of light around the obstacle is known is	A. Interference B. Polarization C. Diffraction D. None of these
10	In normal adjustment, the length of the telescope is	A. f_e + f_o B. f_o - f_e C. f_e - f_o 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

A new type of optical fibre in which central core has high refractive index and its density gradually decreases towards its periphery is called

The resolving power of human eye is

We can divide the optical fibres on the basis of the mode by which they propagate light in

A compound microscope is consists of

Which mode can carry more than 14 TV channels or 14000 phone cells?

If a lens is cut into two piece perpendicular to the principal axis and only part is used the intensity of the image:

Albert A. Michelson devised interferometer is

At what distance should a book be placed from a 50 Cd bulb so that the luminance on the book becomes 2 Im m-2

A beam of light of wavelength is incident normally on a grating of element d the angle between the zero-order and first -order spectra depends on

Newton's rings are:

The phenomenon of blending of around edges of an obstacle is called:

A simple telescope is consists of

A usual way to obtain a plane wave is to place point source of light at the focus of a

A lens of 2 cm focal length is to be used as a magnifying glass. Its magnification is

How many major components of fibre optic communication system are

The colour of light is determined by is

Which one of the following is nearly monochromatic

In case of a point source, the shape of the wavefront is

Resolving power of a telescope depends on:

Two sources of waves are called coherent if

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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At what distance should a book be placed from a 50 Cd bulb so that the luminance on the book becomes 2 Im m^-2