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

If the incident light contains different wavelengths the images of each wavelength for a certain value is diffracted in the

Question # 2

If 5000 lines/cm are ruled on a diffraction grating, the element is:

Question # 3

The typical wavelength of light source in transmitter is

Question # 4

Power of a lens is equal to

Question # 5

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

Question # 6

Snell's Law is defined as

Question # 7

Successive dark and bright fringes are formed each time the moveable mirror in Michelsion's interferometer is moved a distance

Question # 8

According to WH Bragg and WL Bragg monochromatic beam of X-rays was reflected form a crystal plane is like a

Question # 9

Multi-mode step index fibre index fibre is used to send

Question # 10

A light wave produced by oscillating charge consists of a periodic variation of

Question # 11

Diffraction of light occurs, due to the interference between rays coming from the same wavefront of

Question # 12

Which one of the following waves cannot be polarized

Question # 13

If light of low wavelength is used in Young's double slit experiment then width of the fine will

Question # 14

The image formed by an eyepiece of compound microscope is

Question # 15

When 'θ' is small then

Question # 16

The ratio of fringes with for bright and dark fringes is

Question # 17

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

Question # 18

Basic principle of an optical fibre is

Question # 19

Albert A. Michelson devised interferometer is

Question # 20

The least distance of distinct vision changes with

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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 effect provides direct experiment evidence that light is a transverse rather than a longitudinal,wave motion?
A. Light can be diffracted
B. Two coherent light waves can be made to be interfere
C. The intensity of light from a point source falls off inversely as the square of the distance from the source
D. Light can be polarized
2 Which is having minimum wavelength?
A. X-rays
B. Ultra-violet rays
C. Y-rays
D. Cosmic rays
3 The optical resolution of microscope or a telescope tells us how close together, the two point sources of light can be so that they are still seen as two separate sources
A. Angular magnification
B. Resolution
C. Magnification
D. None of these
4 The minimum distance between an object and its image in a convex lens is
A. 2 f
B. 2.5 f
C. 3 f
D. 3.5 f
5 A fly is sitting on the objective of a telescope pointed towards the moon.What effect is expected on the photography of the moon taken through the telescope?
A. The entire field of view blocked
B. There is an image of the fly on the photography
C. There is no effect at all
D. There is a reduction in the intensity of the image
6 A thin film is a transparent medium whose thickness is comparable with the wavelength of
A. light
B. sound
C. any one of them
D. none of them
7 If 5000 lines/cm are ruled on a diffraction grating, the element is:
A. 5 x 10-5m
B. 2 x 10-6m
C. 5 x 10-6m
D. 2 x 10-5m
8 Newton's rings are formed due to:
A. Manetisation
B. Diffractin
C. Interference
D. Polarization
9 If the cover of a red book is observed in monochromatic blue light,It will appear
A. White
B. Red
C. Black
D. Blue
10 Which type of optical fiber has the largest diameter
A. Single mode step index fiber
B. Multi-mode step index fiber
C. Multi-mode graded index fiber
D. None of these

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