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

Calculate the critical angle when core refractive index is 1.50 and cladding of refractive index 1.48

Question # 2

The wavefront formed at very large distance from the source is:

Question # 3

The waves produced in a stretched string are called

Question # 4

If the cover of a red book is observed in monochromatic blue light,It will appear

Question # 5

The power loss can also take place due to

Question # 6

A polaroid is:

Question # 7

Phenomenon of interference and diffraction support the:

Question # 8

An optical fiber carries data in the form

Question # 9

Television signal are converted into light signals by

Question # 10

The points on a Huygen's wave front which sends out secondary wavelets are also

Question # 11

The optical fibre is covered for protection with

Question # 12

Fire optics has ability to transmit

Question # 13

Characteristics of optic fibre is/are

Question # 14

Which light travels faster in optical fibres?

Question # 15

How the fringe spacing varies as the separation of the slits increases

Question # 16

A polarizer is used 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

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

Question # 19

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

Question # 20

The fine rulings on a compact disc as a diffraction grating but each line is wide like

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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 Newton's rings are formed due to:
A. Manetisation
B. Diffractin
C. Interference
D. Polarization
2 The medium in which speed of light is the same in all directions is called:
A. Homogeneous
B. Heterogeneous
C. Non-homogeneous
D. Free space
3 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
4 Which phenomenon of light conclusively prove that light waves are transverse waves
A. Reflection
B. Diffraction
C. Interference
D. Polarization
5 Mirage is a phenomenon due to
A. Reflection of light
B. Refraction of light
C. Total internal reflection of light
D. Diffraction of light
6 Which of the following light move faster in water
A. Red
B. Violet
C. Green
D. Blue
7 If the power of a lens is 4 diopters then is focal length is
A. 20 cm
B. 25 cm
C. 50 cm
D. 400 cm
8 A beam of light enters air from water.Which of the following characteristics of light will not change in water?
A. Frequency
B. Wavelength
C. Velocity
D. Amplitude
9 The phenomenon of blending of around edges of an obstacle is called:
A. Interfarance
B. Defraction
C. Polorisation
D. None of above
10 The locus of all the points in the same phase of vibration is called:
A. Wave packet
B. Wavefront
C. Wave number
D. None of these

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