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 a astronomical telescope the final image for normal vision is formed at

Question # 2

When a movable mirror moves λ/4 distance and the light used is 400 nm, then the distance measured highly precise is

Question # 3

Light is a type of energy which produces sensation of

Question # 4

Multimode step index fibre has diameter as

Question # 5

The bright fringes are termed as

Question # 6

A convex ens acts as diverging lens when the object is placed

Question # 7

Who gave the idea of light as wave ?

Question # 8

Huygen's wave front which sends out secondary wavelets with a speed equal to

Question # 9

The conversion of electrical signals into light signals taken place due to

Question # 10

Which one of the following phenomenon cannot be explained by the wave theory of light ?

Question # 11

In Michelsion's interferometer, if 'm' number of fringes are passed in front of a reference point when the moveable mirror is moved a distance L, then

Question # 12

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

Question # 13

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

Question # 14

The concentration in solution can be determined by the property known as

Question # 15

Proportion of light in an optical fibre requires that the light-should be within the fibre

Question # 16

The speed of light in vacuum is 3 x 108 ms-1.Its speed in a medium of refractive index 1.5 will be

Question # 17

The time taken by light for its passage from M to m and back is

Question # 18

Spectrometer can measure quite accurately prism

Question # 19

To find wavelength of light by his experiment. Newton utilized:

Question # 20

For interference to occur, the light coming from the two slits should

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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 the study of interference and diffraction, we consider
A. plane waves
B. plane wavefronts
C. both of them
D. none of them
2 The property of bending of light around obstacies is called
A. interference
B. reflection
C. diffraction
D. polarization
3 An object is placed at a distance 18 cm from a convex lens. The image is formed at a distance of 9 cm the focal length of the lens is
A. 6 cm
B. 9 cm
C. 10 cm
D. 18 cm
4 Consider telecommunication through optical fibers.Which of the following statements is not true?
A. Optical fibers may have homogeneous core with a suitable cladding
B. Optical fibers can be of graded refractive index
C. Optical fibers are subject to electromagnetic interference from outside
D. Optical fibers have extremely low transmission loss
5 Polaroid glass is used in sun glasses because
A. It is fashionable
B. It has good color
C. It is cheaper
D. It reduces the light intensity to half on account of polarization
6 Which one of the following can act approximately as a source of monochromatic light:
A. Neon lamp
B. Fluorescent tube
C. Sodium lamp
D. None of these
7 In case of YDS experiment, the distance of the mth bright fringe on the screen from center is
A. Y = (m + 1)λL/d
B. Y = mλL/d
C. Y = (m + 1/2)λL/d
D. None of these
8 Optical fibres are of
A. Five type
B. Two type
C. Three type
D. None of these
9 Multi-mode step index fibre index fibre is used to send
A. white light
B. green light
C. a strong monochromatic light
D. yellow light
10 A telescope is rotatable about the same vertical axis as the turntable, with a scale which is
A. Main scale
B. Vernier scale
C. Half degree scale
D. None of these

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