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

The speed of light in a medium depends upon

Question # 2

The light signal in an optical fibre is totally confined due to the

Question # 3

At what distance should a book be placed from a 50 Cd bulb so that the luminance on the book becomes 2 Im m-2

Question # 4

Two layers optical fibre in which central layer is called core which has refractive index

Question # 5

Ordinary light has components of vibrations in all possible planes. Such light is

Question # 6

The relation between displacement of the mirror 'L' and wavelength λ of the light used

Question # 7

Who gave the corpuscular nature of light

Question # 8

The magnifying power of an instrument is expressed in

Question # 9

The property of bending of light around the obstacle is known is

Question # 10

Which one of the following can act approximately as a source of monochromatic light:

Question # 11

In viewing the distant objects the angle subtended at the telescope is

Question # 12

On a diffraction grating a large number of close parallel equidistant slits are ruled on it

Question # 13

The image formed by an eyepiece of compound microscope is

Question # 14

A compound microscope is consists of objective of

Question # 15

When the same object is viewed at a shorter distance the image on the retina of eye is ______ and so the object appears ______

Question # 16

Ordinary light has components of vibration in

Question # 17

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

Question # 18

The time taken by the mirror M to rotate through an angle 2π/8 is

Question # 19

In light waves, the components of electric and magnetic fields are

Question # 20

Plane polarized light can be produced by:

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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 Turn table is the plateform over which we place
A. Diffraction grating
B. Prism
C. Glass slab
D. a and b
2 What is the main cause of the shinning of diamond?
A. Reflection
B. Refraction
C. Total internal reflection
D. Dispersion of light
3 Bending of light around sharp edges is known as
A. Interference
B. Diffraction
C. Reflection
D. Dispersion
4 According to Young s experiment if frequency of light used is halved then fringe width becomes
A. 2/3
B. Double
C. Remains constant
D. Fringe
5 The light waves and radio waves differ in
A. Speed
B. Frequency
C. Wavelength
D. Both B and C
6 In the formulaαamino = 1.22λ/D, D denotes
A. Distance between source and the object
B. Diameter of lens
C. Power of the lens in Diopters
D. None of these
7 In which mode, the refractive index steps down form 1.52 to 1.48 at the boundary with the cladding?
A. Single mode step index
B. multimode step index
C. multimode graded index
D. all of them
8 A planet is observed by an astronomical refracting telescope having an objective of focal length 16 m and an eyepiece of focal length 2 cm.
A. The distance between the objective and the eyepiece is 8m
B. The angular magnification of the planet is 200
C. The image of the planet is inverted
D. The objective is smaller than the eyepiece
9 The light produced by a laser is all the following except
A. Incoherent
B. Monochromatic
C. In the form of a narrow beam
D. Electromagnetic
10 The critical angle for a ray of light suffering total internal reflection will be smallest for the ray traveling from
A. Water to glass
B. Water to air
C. Glass to air
D. Glass to water

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