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

00:00
Question # 1

In YDS experiment, fringe spacing means the distance between two consecutive_____fringes:

Question # 2

For glass-air boundary, the value of the critical angle is

Question # 3

Power of a lens is equal to

Question # 4

In a simple microscope if the final image is located at infinity then its magnifying power is

Question # 5

Inverse square law for luminace is valid for

Question # 6

If the slits in YDS experiment are made closer, fringe spacing will:

Question # 7

When an image formed by the objective lies at the focus of both the objective and the eye-piece, the telescope is said to be in

Question # 8

In which situation does diffraction occur?

Question # 9

In YDS experiment using white light

Question # 10

Rainbow is formed due to combination of

Question # 11

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 # 12

The least distance of distinct vision for a normal eye is

Question # 13

Two sources of light are said to be coherent when the waves produced by them have

Question # 14

When two light waves travelling in the same direction are out of phase at any point, their resultant amplitude

Question # 15

The position of a new wavefront after a certain interval of time can be found by constructing a surface that is

Question # 16

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

Question # 17

Characteristics of optic fibre is/are

Question # 18

If the power of a lens is 4 diopters then is focal length is

Question # 19

The reflected light is

Question # 20

Polaroids are used in

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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 Due to Plano convex lens and the plane glass plate the thickness of air film changes from the center to outward
A. Increasing gradually
B. Decreasing gradually
C. It is constant at the centre
D. None of these
2 For the monochromatic beam of X-rays, the crystal planes in a lattice act like a
A. perfect absorbers
B. boundary
C. mirror
D. none of them
3 Angle subtended by any side of the eight-sided mirror at the center is
A. π/8
B. π/4
C. 2π/8
D. 2π/4
4 In newton's rings apparatus, we also use:
A. Spectroscope
B. Telescope
C. Microscope
D. Any of these
5 According to Huygen,every point on a wavefront may be regarded as a.........of secondary wavelets.
A. Base
B. Source
C. Producer
D. Origin
6 The digital modulation is expressed in
A. Bytes
B. Codes
C. Bits
D. None of these
7 The unit of power of a lens is
A. Meter
B. Watt
C. Horsepower
D. Dioptre
8 Choose the correct statement
A. Rays are normal to wave front
B. Rays may be normal to wave front
C. Rays are not normal to wave front
D. There is no relationship between rays and wave fronts
9 Propagation of light in an optical fibre requires that the light should
A. be partially confined within the fibre
B. be totally confined within the fibre
C. not be confined within the table
D. none of them
10 Multimode graded index fibre core has diameter of
A. 40-200 μm
B. 50-1000 μm
C. 50-150 μm
D. 50-300 μm

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