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

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 # 2

The experimental evidence in support of wave theory in Huygen's time was

not present A
not convincing B
convincing C
none of them D

Question # 3

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 # 4

Maximum number of orders available with a grating is ______ grating element

Independent of A
Directly proportional to B
Inversely proportional to C
Equal to D

Question # 5

An optical fibre with its protective case may be typically

6 m A
6 mm B
6 cm C
6 nm D

Question # 6

Characteristics of optic fibre is/are

Much thineer A
Light weight B
Extremely wide bandwidth C
All of these D

Question # 7

Diffraction of light occurs, due to the interference between rays coming from the same wavefront of

The same parts A
The different parts B
Mixed rays C
None of these D

Question # 8

Analyzer is use to

Polarize the light A
Un-polarize the light B
Check whether the light is polarized or un polarized C
Rotate the plane of polarized light D

Question # 9

On a rainy day if there is an oil drop on tar road colored rings are seen around this drop This is because of

Interference pattern produced due to thin oil film A
Diffraction pattern B
Polarization C
Total internal reflection of light D

Question # 10

Which of the following radiation will be focused farthest from a convex lens

X - rays A
γ - rays B
Microwaves C
β - rays D

Question # 11

Huygen's theory cannot explain:

Diffraction A
Interference B
Polarization C
Photoelectric effect D

Question # 12

One angshom is equal to?

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

Question # 13

Which part of the spectrum is most visible?

Red A
Violet B
Yellow C
Yellow-green D

Question # 14

As the object is brought from a far off point to he focus, the magnification goes on

Increasing A
Decreasing B
Do not change C
None of these D

Question # 15

Laws of reflection and refraction can also be explained by:

Particle nature of light A
Quantum nature of light B
Wave nature of light C
Complex nature of light D

Question # 16

For single slit diffraction the first minimum occurs when

dsinθ = λ A
dsinθ = λ/2 B
dsinθ = 2λ C
dsinθ = mλ D

Question # 17

In a simple microscope if the final image is located at infinity then its magnifying power is

25/f A
25 B
f/25 C
[1 + (25/f)] D

Question # 18

If a source of light is moving away from stationary observer then frequency of light wave appears to change because of

Doppler's effect A
Interference B
Diffraction C
None of the above D

Question # 19

Rainbow is formed due to combination of

Dispersion and total internal reflection A
Reflection and refraction B
Dispersion and focusing C
Refection and scattering D

Question # 20

Cladding means a layer of refractive index over the central core of refractive index

Lower, lower A
Higher, lower B
Lower, higher 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 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 10

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Set 14

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Set 15

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Set 18

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Set 28

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Set 30

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Set 31

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Set 33

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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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Sr.#	Question	Answer
1	Magnification of a convex lens is	A. M = p/d B. M = p/q C. M = q/p D. None of these
2	Propagation of light in an optical fibre requires	A. Total internal reflection B. Continuous refraction C. Both D. None of these
3	Zero order image formed by the grating when the angle the along the direction of normal to grating is	A. Zero B. 90^o C. 180^o D. None of these
4	The optical fibre is covered for protection with	A. rubber jacket B. plastic jacket C. steel jacket D. copper jacket
5	The study of atomic structure of crystals by X-rays was initiated by W.H.. Bragg and W.L. Bragg in	A. 1920 B. 1926 C. 1910 D. 1914
6	If the focal length of the eye piece 25.0 mm find its magnification	A. 12.0 B. 14.0 C. - 11.0 D. - 13.0
7	The function of compensator plate in interferometer is to	A. Interfere properly B. To equalize the distance of M₁ and M₂ C. Reflecting light properly D. None of these
8	When a ray of light goes from a denser medium into a rare medium	A. The wavelength of light is decreased B. The frequency of light increased C. The speed of light is increased D. The light undergoes a phase change of π
9	While viewing a distant object with a telescope suddenly a housefly sits on objective lens.The correct statement is that	A. Housefly will be seen enlarged in image B. Housefly will be seen reduced in image C. Intensity of image will be decreased D. Intensity of image will be increased
10	Which one of the following can act approximately as a source of monochromatic light	A. Neon lamp B. Fluorescent tube C. Sodium lamp 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

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

The experimental evidence in support of wave theory in Huygen's time was

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

Maximum number of orders available with a grating is ______ grating element

An optical fibre with its protective case may be typically

Characteristics of optic fibre is/are

Diffraction of light occurs, due to the interference between rays coming from the same wavefront of

Analyzer is use to

On a rainy day if there is an oil drop on tar road colored rings are seen around this drop This is because of

Which of the following radiation will be focused farthest from a convex lens

Huygen's theory cannot explain:

One angshom is equal to?

Which part of the spectrum is most visible?

As the object is brought from a far off point to he focus, the magnification goes on

Laws of reflection and refraction can also be explained by:

For single slit diffraction the first minimum occurs when

In a simple microscope if the final image is located at infinity then its magnifying power is

If a source of light is moving away from stationary observer then frequency of light wave appears to change because of

Rainbow is formed due to combination of

Cladding means a layer of ______ refractive index over the central core of ______ refractive index

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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Cladding means a layer of refractive index over the central core of refractive index