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

In YDS experiment, data given isλ= 500 nm, L = 100 cm,Δy comes out to be

Question # 2

The organic substances which shows optical rotation when they are in solution

Question # 3

A ______ lens is used in the apparatus to get Newton,s rings

Question # 4

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

Question # 5

Who proposed that light energy form a luminous source travels in space by means of wave motion?

Question # 6

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

Question # 7

According to Huygen's principle, every point of a wavefront may be considered as a source of

Question # 8

The property of light which makes light possible to be transmitted into inaccessible place is

Question # 9

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

Question # 10

With the help of interferometer, we can find the

Question # 11

Multi-mode step index fibre index fibre is used to send

Question # 12

For which color of light the refractive index of glass is larger

Question # 13

The diffraction grating is used to determine

Question # 14

An optical fiber carries data in the form

Question # 15

Which of the following spectrum have all the frequencies from high to low frequency range?

Question # 16

A line normal to the wavefront including the direction of motion is called

Question # 17

In photo phone modulated beam of reflected sun light focused on a detector several hundred meters away with the divice

Question # 18

A typical diffraction grating has lines per centimeter is about

Question # 19

The relation for the diffraction pattern, when it is minimum

Question # 20

The experimental evidence in support of wave theory in Huygen's time was

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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 spherical wavefront is that which has
A. A source
B. A point source
C. An extended source
D. None of these
2 In spectrometer the function of collimator is to produce
A. Diverging beam of light
B. Converging beam of light
C. Parallel beam of light
D. None of these
3 If plane polarized light is incident on the second sheet of Polaroid, the light emitted is full light when their axes are
A. Parallel to each other
B. Perpendicular to each other
C. In between two positions
D. None of these
4 Television signal are converted into light signals by
A. Decoder
B. Transistor
C. Photodiode
D. Optical fibre
5 In Young s double slit experiment the separation between the slits in halved and the distance between the slits and the screen is doubled the fringe with will
A. Be doubled
B. Be quadrupled
C. Remain the same
D. Be halved
6 For glass-air boundary, the value of the critical angle is
A. 42°
B. 45°
C. 30°
D. 60°
7 Sky seems blue due to
A. Diffraction
B. Polarization
C. Dispersion
D. Scattering
8 Power loss taken place when a light signal travels along fibres by
A. Multiple reflection
B. Light absorbed due to impurities in glass
C. At joint some light is scattered by group of atoms
D. All of these
9 The range of the diameter of core in multimode graded index fibre is
A. 50 to 100 μm
B. 50 to 1000 μm
C. 50 to 1000 μm
D. None of these
10 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

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