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 a never system, the repeaters are placed at about

50 km A
75 km B
100 km C
125 km D

Question # 2

To observe interference of light the condition which must be met with is that the sources must be:

Monochromatic A
Phase coherent B
Both of above C
None of above D

Question # 3

2 d sin θ = nλ can be used to determine the

Inter planar spacing A
Wavelength B
Incident angle C
All of these D

Question # 4

The cause of mirage observed in desert is

Refraction A
Reflection B
Scattering C
Total internal reflection D

Question # 5

Which property of waves proves that light is a transverse wave?

diffraction A
interference B
polarization C
reflection D

Question # 6

A fly is sitting on the objective of a telescope pointed towards the moons what effect is impacted in a photograph of the moon taken through the telescope

The entire field of vision is blocked A
There is image of the fly on the photograph B
There is no effect at all C
There is the reduction in intensity of the image D

Question # 7

The interference fringes are of

equal width A
variable width B
zero width C
non-uniform width D

Question # 8

Point out angle/angle at which the sin θ and tan θ have the same value

2^o and 8^o A
4^o and 6^o B
2^o and 4^o C
8^o and 10^o D

Question # 9

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 # 10

The astronomical telescope consists of objective and eye piece.The focal length of he objective is

Equal to that of the eye piece A
Greater than that of eye piece B
Shorter than that of eye piece C
Five times shorter than that of the eye piece D

Question # 11

In Young's double slit experiment, the fringe width depends on

wavelength of the light used A
distance between the slits and screen B
distance between the slits C
all of them D

Question # 12

Light appears to travels in straight lines since

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

Question # 13

A single converging lens placed close to the eye to see magnified image is called

A telescope A
Compound microscope B
Simple microscope C
None of these D

Question # 14

The ratio of diameters of two convex lenses is ______ the ratio of their focal lengths

Greater than A
Less than B
Equal to C
Square of D

Question # 15

The bending of light when it passes from one medium to another is known as

Refraction A
Interference B
Polarization C
Diffraction D

Question # 16

The phenomenon of polarization proves that the light waves are

Transverse wave A
Longitudinal waves B
Stationary waves C
None of these D

Question # 17

Which one of the following is an optically active substance?

Quartz crystal A
Calcite crystal B
Sugar solution C
All of these D

Question # 18

In an astronomical telescope the eye piece has the focal length f_e if

Short A
Long B
Extremely long C
None of these D

Question # 19

Michelson interferometer is based upon

Interference A
Diffraction B
Polarization C
Reflection D

Question # 20

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

Interfarance A
Defraction B
Polorisation C
None of above D

Submit

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

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Set 2

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Set 3

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Set 4

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Set 5

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Set 7

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Set 26

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Set 27

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Set 28

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Set 29

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Set 30

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Set 31

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Set 32

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Set 37

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Set 38

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Set 39

9 Questions
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Sr.#	Question	Answer
1	If we know the refractive index of glass, speed v of light in the glass can be found by	A. v = c n B. v = c/n C. v = n/c D. None of these
2	Fraunhofer's lines commonly visible in the sun's spectrum are examples of	A. Line emission spectrum B. Line absorption spectrum C. Band emission spectrum D. Band absorption spectrum
3	A spherical wavefront is that which has	A. A source B. A point source C. An extended source D. None of these
4	The velocity of light in vacuum can be changed by changing	A. Frequency B. Amplitude C. Wavelength D. None of these
5	The light source used in multimode step index fibre is	A. A monochromatic source B. Red light C. White light D. None of these
6	The image formed after objective lens of an astronomical telescope is	A. Inverted B. Diminished C. Real D. All of these
7	Which of the following types of optical fibre has a core which rages in diameter from 50 to 1000μm?	A. single mode step fibre B. multi-mode step index fibre C. multi-mode graded index fibre D. none of them
8	The property of light which makes light possible to be transmitted into inaccessible place is	A. Interference B. Diffraction C. Polarization D. None of these
9	The optical fibre is covered for protection with	A. rubber jacket B. plastic jacket C. steel jacket D. copper jacket
10	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

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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

In a never system, the repeaters are placed at about

To observe interference of light the condition which must be met with is that the sources must be:

2 d sin θ = nλ can be used to determine the

The cause of mirage observed in desert is

Which property of waves proves that light is a transverse wave?

A fly is sitting on the objective of a telescope pointed towards the moons what effect is impacted in a photograph of the moon taken through the telescope

The interference fringes are of

Point out angle/angle at which the sin θ and tan θ have the same value

All of the following statements are correct except

The astronomical telescope consists of objective and eye piece.The focal length of he objective is

In Young's double slit experiment, the fringe width depends on

Light appears to travels in straight lines since

A single converging lens placed close to the eye to see magnified image is called

The ratio of diameters of two convex lenses is ______ the ratio of their focal lengths

The bending of light when it passes from one medium to another is known as

The phenomenon of polarization proves that the light waves are

Which one of the following is an optically active substance?

In an astronomical telescope the eye piece has the focal length fe if

Michelson interferometer is based upon

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

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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In an astronomical telescope the eye piece has the focal length f_e if