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

According to WH Bragg and WL Bragg monochromatic beam of X-rays was reflected form a crystal plane is like a

Smooth and regular A
Mirror B
Thin film C
None of these D

Question # 2

The advantage/advantages of fiber optics than radio wave carriers

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

Question # 3

Fraunhofer spectrum is a

Line absorption spectrum A
Band absorption spectrum B
Line emission spectrum C
Band emission spectrum D

Question # 4

The absence of light in the optical fibres represents the number

0 A
1 B
2 C
-1 D

Question # 5

In Young's double slit experiment, the widths of dark and bright fringes are

different A
equal B
zero C
variable D

Question # 6

The danger signals are red while the eye is more sensitive to yellow because

Scattering in yellow colour is less than that of red A
Red light is longer in wavelength than yellow light B
Scattering in red is less than that of in yellow C
Red colour has greater frequency than yellow light D

Question # 7

Angle between ray of light and the corresponding wavefront is:

0° A
60° B
90° C
120° D

Question # 8

When light signal travels along fibres, the power losses are mainly due to

scattering A
absorption B
both of them C
either of them D

Question # 9

The variation if focal length of a lens when we pass from the central portion out words (to words the lens edges) is known as

Astigmatism A
Chromatic B
Spherical aberration C
Coma D

Question # 10

The fibre core has constant refractive index such as

1.48 A
1.5 B
1.52 C
1.56 D

Question # 11

The organic substances which shows optical rotation when they are in solution

Tartaric acid A
Sugar B
Alcohol C
a and b D

Question # 12

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 # 13

Michelson interferometer is based upon

Interference A
Diffraction B
Polarization C
Reflection D

Question # 14

A simple telescope is consists of

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

Question # 15

Huygen's principle is used to study the

formation of wavefronts A
propagation of wavefronts B
nature of light C
speed of light D

Question # 16

The practical use of services by optic fiber is

Two way television A
World processing B
Image transmitting and receiving equipment C
All of these D

Question # 17

For the sustained interference of light the necessary condition is that the two sources should

Have constant phase difference A
Be narrow B
Be close to each other C
Of same amplitude D

Question # 18

For obtaining equal and same height mirror should be

Convex A
Concave B
Plane C
None D

Question # 19

The locus of all the points in the same phase of vibration is called:

Wave packet A
Wavefront B
Wave number C
None of these D

Question # 20

In case of point source of light, shape of wavefront is:

Spherical A
Cylindrical B
Plane C
None of these D

Submit

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

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Set 28

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Set 33

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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	In case of YDS experiment, the distance of the mth bright fringe on the screen from center is	A. Y = (m + 1)λL/d B. Y = mλL/d C. Y = (m + 1/2)λL/d D. None of these
2	The magnification of a compound microscope of object and eye piece of focal lengths f₀and f_e, respectively is
3	A line which represents the direction of travel of a wave is known as:	A. Spherical wavefront B. Locus C. Ray D. Either B or C
4	Two lenses of power +12 and -2 diopters are placed in contact the power of combination is	A. 10 diopters B. 8 diopters C. 6 diopters D. 12 diopters
5	The light signal in an optical fibre is totally confined due to the	A. total internal reflection B. continuous refraction C. both of them D. either of them
6	Telescope is an optical device used for viewing	A. Near objects B. Not far distance C. Distant objects D. b and c
7	Huygen's wave front which sends out secondary wavelets with a speed equal to	A. Speed of propagation of the wave B. Speed of propagation greater than wave C. Speed of propagation less than the wave D. None of these
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 cause of power loss in optic fibre is	A. Absorption B. Scattering C. Dispersion D. All
10	Refractive index of material depends upon	A. Nature of material B. Wave length C. Temperature D. All 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

According to WH Bragg and WL Bragg monochromatic beam of X-rays was reflected form a crystal plane is like a

The advantage/advantages of fiber optics than radio wave carriers

Fraunhofer spectrum is a

The absence of light in the optical fibres represents the number

In Young's double slit experiment, the widths of dark and bright fringes are

The danger signals are red while the eye is more sensitive to yellow because

Angle between ray of light and the corresponding wavefront is:

When light signal travels along fibres, the power losses are mainly due to

The variation if focal length of a lens when we pass from the central portion out words (to words the lens edges) is known as

The fibre core has constant refractive index such as

The organic substances which shows optical rotation when they are in solution

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

Michelson interferometer is based upon

A simple telescope is consists of

Huygen's principle is used to study the

The practical use of services by optic fiber is

For the sustained interference of light the necessary condition is that the two sources should

For obtaining equal and same height mirror should be

The locus of all the points in the same phase of vibration is called:

In case of point source of light, shape of wavefront 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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