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 Michelsons interference the movable mirror is moved and a shift of two fringes is observed then the distance moved by the mirror is

Question # 2

Star twinkle due to

Question # 3

Newton's rings are formed due to:

Question # 4

The normal human eye can focus a sharp image of an object located anywhere form infinity to a certain point called

Question # 5

How many major components of fibre optic communication system are

Question # 6

Inverse square law for luminace is valid for

Question # 7

Angle between ray of light and the corresponding wavefront is:

Question # 8

Inverse square law for luminance is valid for

Question # 9

Resolving power of a telescope depends on:

Question # 10

In Michelson interferometer if the moveable mirror is moved through a distance of 8λ then the number of fringes shifted are

Question # 11

Let a ray of light enters from air into two media of different refractive indices. The speed of light will be ______ to refractive index

Question # 12

Which of the following properties show light is transverse wave in nature?

Question # 13

A fly is sitting on the objective of a telescope pointed towards the moon.What effect is expected on the photography of the moon taken through the telescope?

Question # 14

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

Question # 15

The danger signals are red while the eye is more sensitive to yellow because

Question # 16

2 d sin θ = nλ can be used to determine the

Question # 17

A single converging lens placed close to the eye to see magnified image is called

Question # 18

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

Question # 19

When a ray of light goes from a denser medium into a rare medium

Question # 20

In a compound microscope the intermediate image is

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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 a mirror of a Michelsion's interferometor is moved a distance of 0.5 mm, 2000 fringes are observed, the wavelength of the light used is
A. 5000 mm
B. 5000°A
C. 500 cm
D. 2000°A
2 If the power of a lens is 4 diopters then is focal length is
A. 20 cm
B. 25 cm
C. 50 cm
D. 400 cm
3 For glass-air boundary the critical angle θc is
A. 30o
B. 41.8o
C. 42.0o
D. 44.0o
4 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
5 In Michelsion's interoferometer, if the moveable mirror is moved through a distance 0.05 mm and 500 finges are observed, then the wavelength of light used is
A. 1 x 10-7m
B. 2 x 10-7m
C. 1.5 x 10-7m
D. 1 x 10-8m
6 Phenomenon of interference and diffraction support the:
A. Quantum nature of light
B. Tranverse nature of light
C. Wave nature of light
D. Complex nature of light
7 The light from the sun reaches to earth with wavefronts
A. Spherical
B. Cylindrical
C. Plane
D. None of these
8 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
9 Spectrometer using diffraction grating can measure
A. Wavelength of light
B. Frequency of light
C. Intensity of light
D. None of these
10 The typical wavelength of the signal which we sent in the optical fibre is
A. 1000 nm
B. 100 m
C. 1.3 mn
D. 1.3μm

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