MDCAT Physics Chapter 7 MCQ Test With Answer for (Light )

Many students feel anxious about how to prepare for the exam during the MDCAT preparation effectively. Solving MCQs is considered one of the best ways to analyze your preparation level before the commencement of the test. The students preparing for the MDCAT are informed that they can get the MCQs of chapter 7 of physics from this platform.

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

Spectrometer can be used to

Question # 2

An optical fiber carries data in the form

Question # 3

A spectrometer is used to find

Question # 4

Experimental demonstration of wave nature of light was given in 1801 by

Question # 5

The ability of an instrument of reveal the minor details of an object under examination is called

Question # 6

Michelson's interferometer is an instrument used to measure the distance with

Question # 7

To find wavelength of light by his experiment. Newton utilized:

Question # 8

Which one of the following phenomenon cannot be explained by the wave theory of light ?

Question # 9

A fiber of 50μm diameter capable of carrying white light at ______ distances is called ______ index fiber

Question # 10

Which mode can carry more than 14 TV channels or 14000 phone cells?

Question # 11

In which situation does diffraction occur?

Question # 12

The unpolarized light is

Question # 13

When light travels from one medium to another which are separated by a sharp boundary the characteristic which does not change is

Question # 14

Sky seems blue due to

Question # 15

In Huygen's wave theory the locus of all points in the same state of vibration is called

Question # 16

When two light waves travelling in the same direction are out of phase at any point, their resultant amplitude

Question # 17

If d = 0.25 cm   Y = 0.059 cm   L = 100 cm    m = 2 then λ is equal to

Question # 18

A compound microscope is consists of objective of

Question # 19

A telescope has an objective of focal length 10 cm the magnifying power of telescope is 5.Its length in normal adjustment is

Question # 20

The least distance of he distinct vision is

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MCAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 In an interference pattern of Ypung's double Slit (YDS) experiment:
A. Bright fringes are wider than dark fringes
B. Dark fringes are wider than bright fringes
C. Both dark and bright fringes are of equal width
D. Central fringes are wider than the outer fringes
2 Sunset makes sky appears reddish because of:
A. Diffraction of sun rays
B. Refraction of light
C. Scattering of light from dust particles
D. Polarization of ligth
3 Given that grating element = 0.2 x 10-3cm in case of a diffraction grating. Then number of lines per centimeter will be
A. 500000
B. 5000
C. 50
D. 5
4 The phenomenon is found to be prominent when size of the opening (aperture) is
A. Grater than wavelength of light
B. Smaller than wavelength of light
C. Equal of light used
D. None of these
5 If 'd' 'm' and fringe spacing ΔY are known, the interference effect due to light of λ
A. Cannot be determine
B. Can be determined in same cases
C. Can be determined
D. None of these
6 When the object lies between F and 2F the image formed by a convex lens is
A. Real
B. Virtual
C. Diminished
D. Erect
7 Propagation of light in an optical fiber requires that light should be
A. Refracted from air to fiber
B. Continuously refraction
C. Totally reflected within the fiber
D. Both B and C
8 Telescope is an optical device used for viewing
A. Near objects
B. Not far distance
C. Distant objects
D. b and c
9 Which of the following properties show light is transverse wave in nature?
A. Interference
B. Reflection
C. Diffraction
D. Polarization
10 If the power of a lens is 4 diopters then is focal length is
A. 20 cm
B. 25 cm
C. 50 cm
D. 400 cm

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