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

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MDCAT Physics Chapter 7 Light Online Test

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Question # 1

The frequency of light ray is 6 x 1014 Hz. The frequency when it propagates in a medium of refractive index 1.5 will be

Question # 2

The distance between the objective and eye-piece of a telescope in normal adjustment is

Question # 3

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

Question # 4

The least distance of distinct vision for a normal eye is

Question # 5

Fringe spacing in YDS experiment will be maximum if we use:

Question # 6

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

Question # 7

We can use Fibre optics system for

Question # 8

The blue color of sky is due to:

Question # 9

In YDS experiment, the condition for constructive interference of two coherent waves is that the path difference should be

Question # 10

According to Young s experiment the distance between two adjacent bright fringes of blue light is _____ than for oranges light

Question # 11

In an astronomical telescope is the objective has the focal length fo is

Question # 12

A limited region taken on a wavefront which is far away form the source is

Question # 13

Reflection of light from water, glass, snow and rough road surfaces, for larger angle of incidences, produces

Question # 14

Light traveling through vacuum enters water which characteristic of light does not charge

Question # 15

For glass-air boundary the critical angle θc is

Question # 16

If f = 5 cm and d = 25 cm then the magnification will be

Question # 17

If tube length of astronomical telescope is 105 cm and magnifying power is 20 for normal setting calculate the focal length of objective

Question # 18

A sun rise or sun set the sun looks reddish because

Question # 19

The phenomenon of blending of around edges of an obstacle is called:

Question # 20

Ultra-violet rays differ from X-rays in that ultra - violet rays

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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 _____ lens is used in the apparatus to get newton's ring:
A. Plano-concave
B. Plano-convex
C. Convexo concave
D. Double covex
2 The plane of polarization is rotated many degrees when a thickness of such crystal is
A. One millimeter
B. Less than one millimeter
C. A few millimeter
D. None of these
3 Sun has elliptical shape when it rises and sets due to
A. Refraction
B. Reflection
C. Scattering
D. Dispersion
4 We can use Fibre optics system for
A. Image transmitting
B. Word processing
C. Image processing and recelving
D. All
5 In order to observe interference , the interfering beams must be
A. monochromatic
B. coherent
C. either of them
D. both of them
6 Which optical fibre is used for shorter distances only?
A. single mode step index fibre
B. multi-mode step index fibre
C. multi-mode graded index fibre
D. all of them
7 Huygen's principle is used to study the
A. formation of wavefronts
B. propagation of wavefronts
C. nature of light
D. speed of light
8 When sunlight falls on a soap bubble (film), it appears coloured because of
A. interference of light
B. dispersion of light
C. polarization of light
D. diffraction of light
9 The phenomenon of blending of around edges of an obstacle is called:
A. Interfarance
B. Defraction
C. Polorisation
D. None of above
10 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

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