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

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 # 2

Which one of the following waves cannot be polarized

Radio waves A
X-rays B
Transverse waves in a string C
Longitudinal waves in a gas D

Question # 3

The disadvantage of the step-index fibre can be reduced by

graded index fibre A
non-graded index fibre B
both of these C
none of these D

Question # 4

One angstrom equal:

10^-8m A
10^-9m B
10^-10m C
10^-11m D

Question # 5

The locus of all points in a medium having same phase of vibration is called:

Crest A
Trough B
Wavelength C
Wavefront D

Question # 6

A compound microscopes consists of objective of

Very short focal length A
Large focal length B
Very large focal length C
None of these D

Question # 7

The wavefront formed at very large distance from the source is:

Cylindrical A
Spherical B
Elliptical C
Plane D

Question # 8

X-rays interact with

solid crystal A
atoms in the crystal B
nuclei of atoms in the crystal C
electrons of atoms in the crystal D

Question # 9

In YDS experiment, the condition for constructive interference of two coherent waves is that the path difference should be

Integral multiple ofλ/2 A
Integral multiple ofλ B
Even integral multiple ofλ/2 C
Both A and C D

Question # 10

Spectrometer can be used to

Measure wave length of light A
Measure refractive index of the materials B
Study spectra of light C
All D

Question # 11

A grating with high resolving power can distinguish difference in

Smaller, amplitude A
Greater, wavelength B
Smaller, wavelength C
Greater, intensity D

Question # 12

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 # 13

If a light of λ = 588 nm falls on half silvered glass plate in Michelson s interferometer if movable mirror is moved through 0.233 mm the number of fringes will be observed to shift

795 A
792 B
786 C
None D

Question # 14

Light signals in an optical fibre eventually become dim and must be regenerated by devices called

transmitters A
receivers B
photodiodes C
none of them D

Question # 15

The resolving power of telescope depends on

Focal length of eye lens A
Focal length of objective lens B
Length of the telescope C
Diameter of he objective lens D

Question # 16

The wavelength of refractive wave in a denser medium is

Same as that of the incident wave A
Become smaller than the incident B
Becomes greater than the incident wave C
None of these D

Question # 17

A double convex lens act as a diverging lens when the object is

Inside the focus A
Between f and 2f B
At the focus C
At a large distance D

Question # 18

Who gave the corpuscular nature of light

Einstein A
Newton B
Maxwell C
Thomas young D

Question # 19

To increase the magnification of a telescope

The objective lens should be of large focal length and eyepiece should be of short focal length A
The objective and eyepiece both should be of large focal lengths B
Both the objective and eyepiece should be of smaller lengths C
The objective should be small focal length and eyepiece should be of large focal length D

Question # 20

When observed by transmitted light, the central band of newton's ring system consists of:

Bright circular ring A
Dark circular ring B
May be bright or dark circular ring C
No interference bands D

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9 Questions
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Sr.#	Question	Answer
1	The fine rulings on a compact disc as a diffraction grating but each line is wide like	A. 0.01 μm B. 0.5 μm C. 0.05 μm D. 0.6 μm
2	The multi-mode step index optical fibre, the central core has	A. high refractive index and low density B. low refractive index and density C. low refractive index and low density D. high refractive index and high density
3	To observe the phenomenon of interference of light, the light should be	A. Monochromatic B. Phase coherence C. Coherent sources D. All of these
4	Which of the following is an optical fibre in which the density of central core decreases towards its periphery?	A. multi-mode step index fibre B. multi-mode graded index fibre C. both of them D. none of them
5	Which type of fibre is used to send the signals of long distances?	A. single mode step index fibre B. multimode step index fibre C. multimode graded index fibre D. all of them
6	In YDS experiment, data given isλ= 500 nm, L = 100 cm,Δy comes out to be	A. 0.5 cm B. 0.5 mm C. 0.5 nm D. 0.5 m
7	Huygen's principle states that:	A. Light travels in straight line B. Light has dual nature C. Either of these D. None of these
8	The magnification of a simple microscope of focal length 5cm is	A. 3 B. 5 C. 6 D. 20
9	Mirage is a phenomenon due to	A. Reflection of light B. Refraction of light C. Total internal reflection of light D. Diffraction of light
10	In viewing the distant objects the angle subtended at the telescope is	A. Smaller B. Bigger C. Very large 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

For interference to occur the two light waves should be:

Which one of the following waves cannot be polarized

The disadvantage of the step-index fibre can be reduced by

One angstrom equal:

The locus of all points in a medium having same phase of vibration is called:

A compound microscopes consists of objective of

The wavefront formed at very large distance from the source is:

X-rays interact with

In YDS experiment, the condition for constructive interference of two coherent waves is that the path difference should be

Spectrometer can be used to

A grating with high resolving power can distinguish ______ difference in ______

The practical use of services by optic fiber is

If a light of λ = 588 nm falls on half silvered glass plate in Michelson s interferometer if movable mirror is moved through 0.233 mm the number of fringes will be observed to shift

Light signals in an optical fibre eventually become dim and must be regenerated by devices called

The resolving power of telescope depends on

The wavelength of refractive wave in a denser medium is

A double convex lens act as a diverging lens when the object is

Who gave the corpuscular nature of light

To increase the magnification of a telescope

When observed by transmitted light, the central band of newton's ring system consists of:

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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