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

In an astronomical telescope the eye piece has the focal length fe if

Question # 2

Snell's Law is defined as

Question # 3

The typical example/examples of optically active crystals

Question # 4

The focal length of the lens of human eye

Question # 5

When refractive index of core is 1.50 and of 1.48 of cadding then find the angle of entry for an optical fibre is

Question # 6

A driver in a lake wants to signal his distress to a person sitting on the edge of the lake flashing his water proof torch He should direct the beam

Question # 7

As the object is brought from a far off point to he focus, the magnification goes on

Question # 8

If the vibrations of the light wave are confined to one plane only, then this light is called

Question # 9

If focal length of objective is increased

Question # 10

Photo phone was invented by

Question # 11

The least distance of distinct vision changes with

Question # 12

In Young's double slit experiment, the fringe width depends on

Question # 13

A simple telescope is consists of

Question # 14

Multimode step index fibre has a core of relatively larger diameter such is

Question # 15

In multimode graded index fibre core and cladding has boundary

Question # 16

The distance between the top adjacent slits on diffraction grating is called

Question # 17

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 # 18

A double convex lens act as a diverging lens when the object is

Question # 19

In compound microscope image formed is

Question # 20

The maximum size of an object as seen by the naked eye is obtained when it is placed of

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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 In young s interference experiment one slit is covered with a cellophane paper which absorbs half the intensity then
A. No fringes are observed
B. All fringes will be darks
C. bright fringes will be less bright and dark will be less dark
D. Bright fringes will be brighter and dark fringes will be darks
2 For a system to transmit thousands of telephones conversations, several television programs and numerous data signals, it need the following number so threads of optical fibre
A. 100 to 200
B. 1000 to 10000
C. 100 to 1000
D. 1 or 2
3 A typical diffraction grating has lines per centimeter
A. 10 to 100
B. 100 to 1000
C. 1000 to 5000
D. 400 to 5000
4 A thin film is a transparent medium whose thickness is comparable with the wavelength of
A. light
B. sound
C. any one of them
D. none of them
5 The danger signals are red while the eye is more sensitive to yellow because
A. Scattering in yellow colour is less than that of red
B. Red light is longer in wavelength than yellow light
C. Scattering in red is less than that of in yellow
D. Red colour has greater frequency than yellow light
6 The light from the sun reaches to earth with wavefronts
A. Spherical
B. Cylindrical
C. Plane
D. None of these
7 The speed of light in a medium of refractive index 1.5 is
A. 3 x 108ms-1
B. 4.5 x 108ms-1
C. 2.0 x 108ms-1
D. None of these
8 In diffraction grating has feature/features like
A. A glass plate
B. A large numbers of lines are ruled
C. Spacing between two lines acts as a slit
D. All of these
9 The velocity of light in vacuum can be changed by changing
A. Frequency
B. Amplitude
C. Wavelength
D. None of these
10 For the sustained interference of light the necessary condition is that the two sources should
A. Have constant phase difference
B. Be narrow
C. Be close to each other
D. Of same amplitude

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