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

An object is placed at a distance of f/2 from a convex lens.The Image will be

At one of the foci,virtual and double its size A
At,3/f real and inverted B
At 2f,virtual and erect C
At f,real and inverted D

Question # 2

Sun has elliptical shape when it rises and sets due to

Refraction A
Reflection B
Scattering C
Dispersion D

Question # 3

In Young s experiment the distance between two adjacent fringes for blue light is than that for green light

Lesser A
Greater B
Equal C
Lesser if distance between source and screen is large D

Question # 4

Optical fibres function on the principle of

reflection A
refraction B
total internal reflection C
total internal refraction D

Question # 5

Optical fibres are of

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

Question # 6

The tip of a needle does not give a sharp image it is due to

Polarization A
Interference B
Diffraction C
None of these D

Question # 7

How are X-rays diffracted by crystals in X-rays crystallography?

they bounce off the nucleus A
they are diffracted whey they pass from between them acting as a slit B
they are diffracted by the electron clouds in the atoms C
they hit the side the nucleus and change direction and thus are diffracted D

Question # 8

A simple astronomical telescope consists of

Two convex lenses A
Three convex and one cocave B
Two concave lens C
None of these D

Question # 9

For a point source of light the wave front produced are

Circular A
Spherical B
Cylinrical C
None D

Question # 10

The magnifying power of a simple microscope can be increased if we use eye piece of

Higher focal length A
Smaller focal length B
Higher diameter C
Smaller diameter D

Question # 11

Who confirm the wave theory of light ?

Newton A
Michelson B
Newton C
Thomos Young D

Question # 12

The medium in which speed of light is the same in all directions is called:

Homogeneous A
Heterogeneous B
Non-homogeneous C
Free space D

Question # 13

The advantage/advantages of fiber optics than radio wave carriers

Much wider band width A
Capability B
Immunity C
All of these D

Question # 14

One cannot see through fog becuase

Fog absorbs light A
The refractive index of fog is infinity B
Light suffers total reflection at the droplet in a fog C
Light is scattered by the droplets in fog D

Question # 15

An object is placed between the focus and the optical center of the convex lens. The image formed is

Real, erect and magnified A
Virtual, inverted and magnified B
Virtual, erect and diminished C
Virtual, erect and magnified D

Question # 16

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

Question # 17

In the relations d sinθ = nλ, shows that the value of θ depends upon 'n' so the images of different colours are much separated in

Low orders A
Middle orders B
High order C
None of these D

Question # 18

Huygen's principle states that:

Light travels in straight line A
Light has dual nature B
Either of these C
None of these D

Question # 19

Using a graded index fibres the time difference is reduced to about

0.5 ns per km A
1.0 ns per km B
2.0 ns per km C
2.3 ns per km D

Question # 20

In Michelsons interference the movable mirror is moved and a shift of two fringes is observed then the distance moved by the mirror is

λ/2 A
λ B
2λ C
None 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 38

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Set 39

9 Questions
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Sr.#	Question	Answer
1	For a point source of light the wave front produced are	A. Circular B. Spherical C. Cylinrical D. None
2	The spacing between lines of diffraction grating is	A. Opaque B. Transparent C. Semi-transparent D. None of these
3	For destructive interference the path difference is give by:	A. (m-1/2)λ B. (m+1/2)λ C. mλ D. 1/2 mλ
4	Which phenomenon of light takes place in Young's double-slit experiment?	A. polarization of light B. diffraction of light C. interference of light D. reflection of light
5	When a movable mirror moves λ/4 distance and the light used is 400 nm, then the distance measured highly precise is	A. 100 nm B. 10^-4 nm C. 10^-6 nm D. 10^-5 mm
6	Newton's rings are:	A. Concetric circles B. spherical C. None of these D. Rectangular
7	The optical fibre is covered for protection with	A. rubber jacket B. plastic jacket C. steel jacket D. copper jacket
8	The wavelength of refractive wave in a denser medium is	A. Same as that of the incident wave B. Become smaller than the incident C. Becomes greater than the incident wave D. None of these
9	If a glass slab is placed in the path of a converging beam of light The point of convergence of light	A. Moves away from the glass slab B. Moves towards the glass slab C. Remains at the same point D. Moves straight
10	The bending of light when it passes from one medium to another is known as	A. Refraction B. Interference C. Polarization D. Diffraction

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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

An object is placed at a distance of f/2 from a convex lens.The Image will be

Sun has elliptical shape when it rises and sets due to

In Young s experiment the distance between two adjacent fringes for blue light is than that for green light

Optical fibres function on the principle of

Optical fibres are of

The tip of a needle does not give a sharp image it is due to

How are X-rays diffracted by crystals in X-rays crystallography?

A simple astronomical telescope consists of

For a point source of light the wave front produced are

The magnifying power of a simple microscope can be increased if we use eye piece of

Who confirm the wave theory of light ?

The medium in which speed of light is the same in all directions is called:

The advantage/advantages of fiber optics than radio wave carriers

One cannot see through fog becuase

An object is placed between the focus and the optical center of the convex lens. The image formed is

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

In the relations d sinθ = nλ, shows that the value of θ depends upon 'n' so the images of different colours are much separated in

Huygen's principle states that:

Using a graded index fibres the time difference is reduced to about

In Michelsons interference the movable mirror is moved and a shift of two fringes is observed then the distance moved by the mirror is

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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