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 ultra-purity of optical fibre is

Question # 2

Light signals in an optical fibre eventually become dim and must be regenerated by devices called

Question # 3

A thin film is a transparent medium whose thickness is comparable with the wavelength of

Question # 4

The wave length of x-rays is of the order of

Question # 5

An oil film floating on water surface show colours due to

Question # 6

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

Question # 7

Source of light used in the fibre optic communication

Question # 8

Optically active substance are those substance which

Question # 9

If plane polarized light is incident on the second sheet of Polaroid, the light emitted is full light when their axes are

Question # 10

The different parts of spectrometer

Question # 11

For the normal setting of a telescope

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

An optical fiber carries data in the form

Question # 14

The least distance of he distinct vision is

Question # 15

The diffraction grating is used to measure

Question # 16

When light signal travels along fibres, the power losses are mainly due to

Question # 17

In YDS experiment, if the distance between the slits and also the distance between slits and screen is doubled, the fringe width:

Question # 18

Can two lights of car can produce interference

Question # 19

A grating with high resolving power can distinguish ______ difference in ______

Question # 20

In normal adjustment, the length of the telescope is

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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 A sun rise or sun set the sun looks reddish because
A. The sun is coldest at these times
B. Of the effects of reflection and refraction
C. The sun is hottest at these times
D. Of the scattering of light
2 The apparent size of an object depends on the angle subtended but it at the eye. As the angle increases the size of the object
A. Smaller
B. Larger
C. Very large
D. None of these
3 A prism splits a beam of white light into seven component colors. This is so because
A. Phase of different colors is different
B. Amplitude of different colors is different
C. Energy of different colors is different
D. Velocity of different colors is different
4 In Micheal sons interfrometes apparatus the numbers of mirrors and glas plates are used respectively ara
A. 2,2
B. 2,3
C. 3,2
D. 3,3
5 Point out angle/angle at which the sin θ and tan θ have the same value
A. 2o and 8o
B. 4o and 6o
C. 2o and 4o
D. 8o and 10o
6 A convex ens acts as diverging lens when the object is placed
A. Between F and 2F
B. At 2F
C. Within the focal length
D. Beyond 2F
7 The concentration in solution can be determined by the property known as
A. Solubility
B. Insolubility
C. Optical activity
D. None of these
8 The distance between different interference fringes are:
A. Variable
B. Same
C. Different
D. None of these
9 The magnifying power of a compound microscope can be increased if we use objective lens of
A. Large focal length
B. Small focal length
C. Same focal length
D. None of these
10 In the Newton's ring, as we proceed towards the periphery of the lens, the thickness of air film
A. gradually decreases
B. gradually increases
C. suddenly becomes zero
D. all of them

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