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

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

When seen in green light the saffron and green portions of our National Flag will appear to be

Question # 2

The critical angle for a ray of light suffering total internal reflection will be smallest for the ray traveling from

Question # 3

In electromagnetic waves electric and magnetic field ar

Question # 4

The typical wavelength of the signal which we sent in the optical fibre is

Question # 5

The polarized can be achieved by using process like

Question # 6

When monochromatic light is incident, making certain angle, on a thin parallel film, the interference fringes formed are

Question # 7

A line which represents the direction of travel of a wave is known as

Question # 8

The fiber of which refractive index ______ gradually as move from central core to its periphery is called ______ index fiber

Question # 9

The minimum distance between an object and its image in a convex lens is

Question # 10

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

Question # 11

Which of the following types of optical fibre has a very thin core of about 5μm diameter and has a relatively large cladding?

Question # 12

Which optical fibre is used for shorter distances only?

Question # 13

To get higher magnification we must use

Question # 14

The lower refractive index the fibre core has

Question # 15

In Micheal sons interfrometes apparatus the numbers of mirrors and glas plates are used respectively ara

Question # 16

Identify the incorrect statement

Question # 17

Fire optics has ability to transmit

Question # 18

Optical device used in spectrometer

Question # 19

The refracting edge of the prism must be parallel to the axis of rotation of the telescope, so that the turn table is leveled using

Question # 20

Which of the following is an optical fibre in which the density of central core decreases towards its periphery?

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The answers are also available here to facilitate the students' preparation. With continuous practice, the candidates will be able to get a good score on the entry test. So after preparing for the particular chapter, solve the MCQs and learn about your preparation. Spend maximum time to improve your weak areas and then ace the test with a good score. The students can also solve the other physics chapters' MCQs for better preparation.

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MCAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 Which one of the following is nearly monochromatic
A. Light from candle
B. Light from simple lamp
C. Light from sodium lamp
D. Light from sun
2 Huygen's principle is used to study the
A. formation of wavefronts
B. propagation of wavefronts
C. nature of light
D. speed of light
3 The difference between 1st ring fringe and 1st dark fringe is measured as
A. λD/2d
B. λD/d
C. λD/4d
D. 2λD/d
4 Two layers optical fibre in which central layer is called core which has refractive index
A. High
B. Low
C. Very low
D. None of these
5 The index of refraction of diamond is 2.0 velocity of light in diamond in m/s is
A. 6 x 108
B. 3 x 108
C. 2 x 108
D. 1.5 x 108
6 In an interference fringes pattern the fringes are
A. Equally spaced
B. Wider near the centre and narrower away from it
C. Narrower near the centre and wider away from it
D. None of these
7 In which situation does diffraction occur?
A. a wave bounces back from a surface
B. a wave meets another wave to produce a new wave
C. a wave passes from one medium into another
D. a wave passes through an aperture
8 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
9 If Young s double slit experiment is immersed in water then the fringes with
A. Decreases
B. Remains unchanged
C. Becomes infinite
D. Increases
10 When a ray of light enters a denser medium from a rarer medium,its:
A. Wavelength increases
B. Velocity increases
C. Frequency decreases
D. Wavelength decreases

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