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

  • Total Questions20

  • Time Allowed20

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MDCAT Physics Chapter 7 Light Online Test

00:00
Question # 1

In case of a point source, the shape of the wavefront is

Question # 2

How are X-rays diffracted by crystals in X-rays crystallography?

Question # 3

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

Question # 4

When a movable mirror moves λ/4 distance and the light used is 400 nm, then the distance measured highly precise is

Question # 5

Glare produces when light reflects from water snow and rough road surfaces when their angle of incidence is

Question # 6

A beam of light enters air from water.Which of the following characteristics of light will not change in water?

Question # 7

A convex lens is dipped in a liquid whose refractive index is equal to the material of the lens. Then its focal length will become

Question # 8

Every point of a wavefront may be considered as a

Question # 9

The wave nature of light was proposed by:

Question # 10

The focal length of the lens of human eye

Question # 11

Longitudinal waves do not exhibit

Question # 12

To find wavelength of light by his experiment. Newton utilized:

Question # 13

Sky seems blue due to

Question # 14

Speed of light in vacuum is

Question # 15

Point out angle/angle at which the sin θ and tan θ have the same value

Question # 16

A thin layer of oil on the surface of water looks colored due to:

Question # 17

The ultra-purity of optical fibre is

Question # 18

If the moveable mirror in Michelsion's interferometer moves a distanceλ/2, the path difference changes by

Question # 19

Which one the following gives three regions of electromagnetic sepctrum in order of increasing wavelength?

Question # 20

The distance between different interference fringes are:

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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 least distance of he distinct vision is
A. 20 cm
B. 22 cm
C. 25 cm
D. 30 cm
2 A double convex lens act as a diverging lens when the object is
A. Inside the focus
B. Between f and 2f
C. At the focus
D. At a large distance
3 The diffraction grating is used to determine
A. Intensity of light
B. Wavelength of light
C. Refractive index of prism
D. None of these
4 According to the relation for constructive destructive interference, the point of contact has zero thickness of air so it should have
A. No interference
B. Conductive interference 
C. Destructive interference
D. None of these
5 In light waves, the components of electric and magnetic fields are
A. parallel to each other
B. anti-parallel to each
C. right angle to each other
D. none of them
6 If the light travels in a straight line, the central region should appear
A. Bright
B. Dark
C. No effect
D. None of these
7 X-ray diffraction has been very useful in determining structure of
A. Hemoglobin
B. Double helix structure of DNA
C. Blood speed
D. a and b
8 The re conversion of light signals into electrical signals takes place due to
A. Transmitter
B. Receiver
C. Generator
D. None of these
9 The scattering of X-rays from atoms in a crystalline lattice gives rise to
A. Interference
B. Diffraction
C. Reflection
D. None of these
10 The polarized can be achieved by using process like
A. Coherent sources
B. Diffraction
C. Selective absorption
D. None of these

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