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

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Question # 1

A point on the surface of the mirror where principle axis meets is called

Question # 2

To observe the phenomenon of interference of light, the light should be

Question # 3

When one mirror of Michelson interferometer is moved a distance of 0.5 mm. 2000 fringes are observed, the wavelength of light used is

Question # 4

If yellow light emitted by sodium lamp in Young's double slit experiment is replaced by blue light of the same intensity:

Question # 5

The least distance of he distinct vision is

Question # 6

The minimum distance between an object and its image in a convex lens is

Question # 7

The speed of secondary wavelets as mentioned in Huygen's principle is______the speed of propagation of the wave itself:

Question # 8

A sun rise or sun set the sun looks reddish because

Question # 9

Single mode step index fibre has feature/s like

Question # 10

The velocity of light in vacuum can be changed by changing:

Question # 11

When sunlight falls on a soap bubble (film), it appears coloured because of

Question # 12

The velocity of light in vacuum can be changed by changing

Question # 13

For obtaining equal and same height mirror should be

Question # 14

Critical angle of light passing from glass to air is minimum for

Question # 15

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

Question # 16

Confining the light vibrations in one plane is called:

Question # 17

Light waves are:

Question # 18

Which one of the following is an optically active substance?

Question # 19

Maximum number of orders available with a grating is ______ grating element

Question # 20

The image of an object 5 mm length is only 1 cm high. The magnification of the lens 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 Certain light of wavelength 600 nm is used to view an object under the microscope. If the aperture of its objective is 1.22 cm, then the limiting angle of resolution will be
A. 6 x 10-5rad
B. 7 x 10-5rad
C. 8 x 10-5rad
D. None of these
2 A circular scale is attached and graduated in
A. One degree
B. 2 degrees
C. Half degree
D. None of these
3 In the formulaαamino = 1.22λ/D, D denotes
A. Distance between source and the object
B. Diameter of lens
C. Power of the lens in Diopters
D. None of these
4 A simple telescope is consists of
A. One convex lens
B. Two convex lenses
C. Three convex lenses
D. None of these
5 The points on a Huygen's wave front which sends out secondary wavelets are also
A. Source
B. Source of secondary wavelets
C. Coherent sources of light
D. None of these
6 Which light travels faster in optical fibres?
A. visible light
B. ultraviolet
C. infra-red
D. any one of them
7 A simple astronomical telescope consists of
A. Two convex lenses
B. Three convex and one cocave
C. Two concave lens
D. None of these
8 If the cover of a red book is observed in monochromatic blue light,It will appear
A. White
B. Red
C. Black
D. Blue
9 Signal from a remote control to the device operated by it travels with the speed of:
A. Sound
B. Light
C. Ultrasonics
D. Supersonics
10 In which mode, the refractive index steps down form 1.52 to 1.48 at the boundary with the cladding?
A. Single mode step index
B. multimode step index
C. multimode graded index
D. all of them

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