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

According to the relation for constructive destructive interference, the point of contact has zero thickness of air so it should have

Question # 2

A spherical wavefront is that which has

Question # 3

Light traveling through vacuum enters water which characteristic of light does not charge

Question # 4

Finger prints on paper are identified by sprinkling fluorescent powder on it and observing it under

Question # 5

One cannot see through fog because

Question # 6

For constructive interference the path difference is

Question # 7

The fibre core has constant refractive index such as

Question # 8

A telescope has an objective of focal length 10 cm the magnifying power of telescope is 5.Its length in normal adjustment is

Question # 9

In Young s experiment the distance between two adjacent fringes for blue light is than that for green light

Question # 10

Albert A. Michelson devised interferometer is

Question # 11

Multimode step index fibre is useful for

Question # 12

Single mode step index fibre has a very thin core of about diameter

Question # 13

The critical angle for a ray of light suffering total internal reflection will be smallest for the ray traveling from

Question # 14

The power loss can also take place due to

Question # 15

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

Question # 16

Using a graded index fibres the time difference is reduced to about

Question # 17

In young s interference experiment one slit is covered with a cellophane paper which absorbs half the intensity then

Question # 18

The cause of mirage observed in desert is

Question # 19

The tip of a needle does not give a sharp image it is due to

Question # 20

The magnification is negative for

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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 At certain speed, the time taken by light in moving from M to m and back to M is equal to the time taken by
A. Face 4  to 1
B. Fact 6 to 1
C. Face 3 to 1
D. Face 2 to 1
2 When two light waves travelling in the same direction are out of phase at any point, their resultant amplitude
A. increases
B. decreases
C. remains unchanged
D. increases rapidly
3 A microscope has an objective lens of 10 mm focal length and an eye piece of 25.0 mm focal length what is the distance between the lenses
A. ≈ 200 mm
B. ≈ 210 mm
C. ≈ 213 mm
D. ≈ 233 mm
4 Huygen's principle is used to study the
A. formation of wavefronts
B. propagation of wavefronts
C. nature of light
D. speed of light
5 When an image is placed at the focal length of the eye piece, the final image formed at
A. 2 F
B. 4 F
C. 6 F
D. Infinity
6 Which phenomenon of light takes place in Young's double-slit experiment?
A. polarization of light
B. diffraction of light
C. interference of light
D. reflection of light
7 Cladding in an optical fiber is used to
A. Absorb unneccessary light
B. Produce total internal reflection
C. Transmit light
D. Filter light
8 In which situation does diffraction occur?
A. a wave bounces back from a surface
B. a wave meets another wave to produce a new wave
C. a wave passes from one medium into another
D. a wave passes through an aperture
9 Most widely used optical fibres are those which propagate light by
A. total interval reflection
B. continuous refraction
C. both of them
D. none of them
10 When observed by transmitted light, the central band of newton's ring system consists of:
A. Bright circular ring
B. Dark circular ring
C. May be bright or dark circular ring
D. No interference bands

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