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

If λ = 589 nm   d=1.0 mm  L=225 cm then fringe spacing ΔY is given by  

Question # 2

X-rays is a type of electron magnetic radiations of much shorter wavelengths of the order of

Question # 3

The lower refractive index the fibre core has

Question # 4

The least distance of distinct vision changes with

Question # 5

For glass-air boundary the critical angle θc is

Question # 6

In normal adjustment, the length of the telescope is

Question # 7

For glass-air boundary, the value of the critical angle is

Question # 8

When the source of light is at very large distance, the shape of wavefront is:

Question # 9

With a graded index fibre, the overall time difference between all the wavelengths arrived at the other end may be about

Question # 10

Huygen principle is used to determine:

Question # 11

Which is having minimum wavelength?

Question # 12

The scattering of X-rays from atoms in a crystalline lattice gives rise to

Question # 13

Just before  setting the sun may appear to be elliptical This happens due to

Question # 14

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

Question # 15

We can observe only when the grating spacing is

Question # 16

Angle between ray of light and the corresponding wavefront is:

Question # 17

Frequency of red colour as compared to that of violet colour is:

Question # 18

Near and far points of a healthy human eye respectively are

Question # 19

Least distance of distinct vision

Question # 20

A wider objective and the use of blue light of short wavelength produces

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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 The speed of the secondary wavelets as mentioned in Huygen's principle is ________ the speed of propagation of the wave itself
A. Equal to
B. Greater than
C. Smaller than
D. None of these
2 Newton's rings are:
A. Rectangular
B. Spherical
C. Concentric circles
D. None of these
3 Which of the following gives three regions of the electromagnetic spectrum in order of increasing wavelength?
A. Gamma rays,microwaves,visible radiation
B. Ultraviolet infra-red microwaves
C. Radio waves ultraviolet X-rays
D. Visible radiation gamma rays radio waves
4 In the relations d sinθ = nλ, shows that the value of θ depends upon 'n' so the images of different colours are much separated in
A. Low orders
B. Middle orders
C. High order
D. None of these
5 A thin layer of oil on the surface of water looks colored due to:
A. Diffraction of light
B. Reflection of light
C. Dispersion of light
D. Interference effect of light
6 A ray of light passing from a rarer to a denser medium
A. Bends towards normal
B. Bends away from normal
C. Suffers no change in direction
D. None of these
7 When an image is placed at the focal length of the eye piece, the final image formed at
A. 2 F
B. 4 F
C. 6 F
D. Infinity
8 Electromagnetic waves from a source were found to be significantly diffracted when passing through gaps of the order of 10 m. What type of waves are they likely to be?
A. gamma waves
B. light waves
C. microwaves
D. radiowaves
9 Maximum detail of object can be seen from a microscope wen light used is of
A. Shorter wavelength
B. Longer wavelength
C. White light
D. Any light
10 The blue color of sky is due to:
A. Dispersion
B. Diffraction
C. Polarization
D. Scattering

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