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

Wavelength of red color as compared to that of violet color is

Question # 2

If the two reflected waves reinforce each other then the firm as seen from the parallel beam of monochromic light will look

Question # 3

Which does not show polarization?

Question # 4

Let a ray of light enters from air into two media of different refractive indices. The speed of light will be ______ to refractive index

Question # 5

If the bright fringe into be observed then we have relation

Question # 6

Fraunhofer's lines commonly visible in the sun's spectrum are examples of

Question # 7

Colours seen on oily water surface by the incident white light is due to

Question # 8

Cladding means a layer of ______ refractive index over the central core of ______ refractive index

Question # 9

Which of the following atoms cannot be detected by X-ray crystallography?

Question # 10

The distance between the two adjacent slits is called

Question # 11

In which of the optical fibres, the propagation of light signal is through continuous refraction?

Question # 12

An object is placed at a distance 18 cm from a convex lens. The image is formed at a distance of 9 cm the focal length of the lens is

Question # 13

The lower refractive index the fibre core has

Question # 14

The experimental evidence in support of wave theory in Huygen's time was

Question # 15

In case of constructive interference of two waves, the amplitude of the resultant wave is_____either of the waves:

Question # 16

A spectrum which contains all wavelengths without any break is called

Question # 17

In newton's rings see through the reflected light, centeral spo is:

Question # 18

Multimode step index fibre is useful for

Question # 19

In compound microscope magnification of objective is 2 and magnification of eyepiece is 4 magnification of compound microscope is

Question # 20

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

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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 When light passes through a tourmaline crystal, it becomes
A. plane polarized
B. directly polarized
C. un-polarized
D. spherically polarized
2 The fringes produced in Young's double slit experiment will be wider if the distance between the two slits is
A. small
B. large
C. zero
D. very large
3 Repeaters are the devices which regenerate the signals and are placed at about
A. 20 km
B. 30 km
C. 40 km
D. 50 km
4 Two sources of light are said to be coherent when the waves produced by them have
A. Equal wavelength
B. Equal amplitude
C. Equal wavelength and constant phase difference
D. Amplitude and wavelength are same
5 If tube length of astronomical telescope is 105 cm and magnifying power is 20 for normal setting calculate the focal length of objective
A. 100 cm
B. 10 cm
C. 20 cm
D. 25 cm
6 Inverse square law for luminance is valid for
A. Search light
B. Isotropic point source
C. Cylindrical source
D. All types of sources
7 The focal length of the lens of human eye
A. Is fixed
B. Varies from zero to infinity
C. Can be increased only
D. Can be decreased only
8 Michelson's interferometer is an instrument that is capable of measuring distance with
A. low precision
B. high precision
C. extremely high precision
D. extremely low precision
9 The function of compensator plate in interferometer is to
A. Interfere properly
B. To equalize the distance of M1 and M2
C. Reflecting light properly
D. None of these
10 The idea of Michelsion's interferometer is based on the
A. reflection of light
B. interference of light
C. refraction of light
D. all of them

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