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

Which effect provides direct experimental evidence that light is a transverse rather than a longitudinal wave motion?

Light can be diffracted A
Two coherent light waves can be made to interfere. B
The intensity of light from a point source falls off inversely as the square of the distance from the source C
Light can be polarized D

Question # 2

In the study of interference and diffraction, we consider

plane waves A
plane wavefronts B
both of them C
none of them D

Question # 3

Two wave of intensities I an 4I superpose then the maximum and minimum intensities are

5I and 3I A
9I and I B
9I and 3I C
5I and I D

Question # 4

There will be no change in _______ of light entering glass

Velocity A
Frequency B
Direction C
Wavelength D

Question # 5

The multi-mode step index optical fibre, the central core has

high refractive index and low density A
low refractive index and density B
low refractive index and low density C
high refractive index and high density D

Question # 6

The relation d sinθ = nλ, where 'n' is the

Number of bright fringes A
Number of dark fringes B
Order of the spectrum C
None of these D

Question # 7

In compound microscope image formed is

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

Question # 8

Light waves produce interference when

source are monochromatic A
source are phase coherent B
sources are close together C
all of them D

Question # 9

Propagation of light in an optical fibre requires that the light should

be partially confined within the fibre A
be totally confined within the fibre B
not be confined within the table C
none of them D

Question # 10

Michelesion's interferometer is an instrument usually used to measure

intensity of light A
speed of light B
wavelength of light C
dispersion of light D

Question # 11

The resolution of microscope depends on objective's

Focal length A
Material B
Diameter C
None of these D

Question # 12

When the object lies between F and 2F the image formed by a convex lens is

Real A
Virtual B
Diminished C
Erect D

Question # 13

In YDS experiment, if the distance between the slits and also the distance between slits and screen is doubled, the fringe width

Becomes doubled A
Becomes 4 times B
Is halved C
Remains the same D

Question # 14

Optical device used in spectrometer

Simple microscope A
Compound microscope B
Telescope C
Any of them D

Question # 15

For interference to occur the two light waves should be:

Of two different frequencies A
Coming from opposite directions B
Of high intensity C
Monochromatic D

Question # 16

If the plane polarized light is incident on the second sheet of Polaroid, no light is emitted when their axes are

Parallel to each other A
Perpendicular to each other B
In between two positions C
None of these D

Question # 17

The phenomenon is found to be prominent when size of the opening (aperture) is

Grater than wavelength of light A
Smaller than wavelength of light B
Equal of light used C
None of these D

Question # 18

In Newton's rings the thickness of air film at the point of contact is

maximum A
minimum B
equal to wavelength C
zero D

Question # 19

On a diffraction grating which thing acts as a slit

the lines which are ruled on it A
the spacing between the lines B
either of them C
none of them D

Question # 20

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

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

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Set 37

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Set 38

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Set 39

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Sr.#	Question	Answer
1	Angle between ray of light and the corresponding wave front is	A. 10° B. 60° C. 90° D. 120°
2	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	A. Astigmatism B. Chromatic C. Spherical aberration D. Coma
3	The speed of light in vacuum is 3 x 10⁸ ms^-1.Its speed in a medium of refractive index 1.5 will be	A. 6.5 x 10⁸ B. 2 x 10⁸ ms^-1 C. 4.5 x 10⁸ cm D. 5.5 x 10⁸
4	The least distance of distinct vision changes with	A. Time B. Health C. illness D. Age
5	A lens behaves as a converging lens in air and a diverging lens in water the refractive index of the material is	A. Equal to unity B. Equal to 1.33 C. Between unity and 1.33 D. Greater than 1.33
6	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
7	Longitudinal waves do not exhibit	A. Refraction B. Reflection C. Diffraction D. Polarization
8	Turn table is the plateform over which we place	A. Diffraction grating B. Prism C. Glass slab D. a and b
9	Which of the following phenomenon cannot take place if we consider light as longitudinal wave?	A. diffraction B. interference C. polarization D. reflection
10	The minimum distance between an object and its image in a convex lens is	A. 2 f B. 2.5 f C. 3 f D. 3.5 f

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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

Which effect provides direct experimental evidence that light is a transverse rather than a longitudinal wave motion?

In the study of interference and diffraction, we consider

Two wave of intensities I an 4I superpose then the maximum and minimum intensities are

There will be no change in _______ of light entering glass

The multi-mode step index optical fibre, the central core has

The relation d sinθ = nλ, where 'n' is the

In compound microscope image formed is

Light waves produce interference when

Propagation of light in an optical fibre requires that the light should

Michelesion's interferometer is an instrument usually used to measure

The resolution of microscope depends on objective's

When the object lies between F and 2F the image formed by a convex lens is

In YDS experiment, if the distance between the slits and also the distance between slits and screen is doubled, the fringe width

Optical device used in spectrometer

For interference to occur the two light waves should be:

If the plane polarized light is incident on the second sheet of Polaroid, no light is emitted when their axes are

The phenomenon is found to be prominent when size of the opening (aperture) is

In Newton's rings the thickness of air film at the point of contact is

On a diffraction grating which thing acts as a slit

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

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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