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

When two lights waves travelling in the same direction are in phase at any point, they producing

Question # 2

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

Question # 3

The lower refractive index the fibre core has

Question # 4

Diffraction effect is

Question # 5

Every point of a wavefront may be considered as a

Question # 6

Which mode can carry more than 14 TV channels or 14000 phone cells?

Question # 7

Which of the following is conserved when light waves interfere

Question # 8

Conventionally, all the distances p, q, f, are measured from ______ of the lens

Question # 9

The light produced by a laser is all the following except

Question # 10

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

Question # 11

Who proposed wave theory of light

Question # 12

An optical fibre with its protective case may be typically 6.0 mm in diameter and yet it can replace bundle of copper of diameter

Question # 13

In case of destructive interference of two waves, the amplitude of the resultant wave will be ______ either of the waves

Question # 14

The focal length of the lens of human eye

Question # 15

At points where the crest (or trough) of one wave coincides with the crest (or trough) of the other wave, the wave produces

Question # 16

The idea of light as wave produced by

Question # 17

Analyzer is use to

Question # 18

In multimode graded index fibre core and cladding has boundary

Question # 19

A lens behaves as a converging lens in air and a diverging lens in water the refractive index of the material is

Question # 20

When a light signal travels along the length of the optical fibre, the power lost by it is due to

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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 When light travels from one medium to another which are separated by a sharp boundary the characteristic which does not change is
A. Velocity
B. Wavelength
C. Frequency
D. Amplitude
2 In electromagnetic waves electric and magnetic field ar
A. Parallel
B. Antiparallel
C. Perpendicular
D. Sometimes parallel sometimes perpendicular
3 The diffraction of light occurs, due to interference, of
A. Obstructed portion
B. Unobstructed portion
C. Both obstructed and unobstructed light
D. None of these
4 We can divide the optical fibres on the basis of the mode by which they propagate light in
A. two types
B. three types
C. four types
D. many types
5 A compound microscopes consists of objective of
A. Very short focal length
B. Large focal length
C. Very large focal length
D. None of these
6 The phenomenon of diffraction can be exhibited by
A. Polarized waves only
B. Un polarized waves only
C. Longitudinal waves only
D. All polarized or un polarized waves and longitudinal or transverse waves
7 A simple telescope is consists of
A. One convex lens
B. Two convex lenses
C. Three convex lenses
D. None of these
8 Multimode graded index fibre core has diameter of
A. 40-200 μm
B. 50-1000 μm
C. 50-150 μm
D. 50-300 μm
9 Huygen's theory cannot explain:
A. Diffraction
B. Interference
C. Polarization
D. Photoelectric effect
10 On a diffraction grating a large number of close parallel equidistant slits are ruled on it
A. By hand
B. electronically
C. mechanically
D. none of them

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