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

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MDCAT Physics Chapter 7 Light Online Test

00:00
Question # 1

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

Question # 2

Why laser rays are used to measure long distance?

Question # 3

Which of the following cannot be polarized?

Question # 4

Just before  setting the sun may appear to be elliptical This happens due to

Question # 5

At what distance should a book be placed from a 50 Cd bulb so that the luminance on the book becomes 2 Im m-2

Question # 6

Photo phone was invented by

Question # 7

To get three images of a single object,one should have two plane mirrors at an angle of

Question # 8

Choose the correct statement

Question # 9

Huygen's principle states that:

Question # 10

The phenomenon of blending of around edges of an obstacle is called:

Question # 11

The brilliance of diamond is

Question # 12

A limited region taken on a wavefront which is far away form the source is

Question # 13

Two sources are said to be coherent if they have:

Question # 14

In the Newton's ring, as we proceed towards the periphery of the lens, the thickness of air film

Question # 15

Newton's rings are formed as a result of

Question # 16

The ratio of size of the image to the size of the object is called

Question # 17

Diffraction of light occurs, due to the interference between rays coming from the same wavefront of

Question # 18

When sunlight falls on a soap bubble (film), it appears coloured because of

Question # 19

Phenomenon of interference and diffraction support the:

Question # 20

Focal length of convex lens is maximum 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 Light waves produce interference when
A. source are monochromatic
B. source are phase coherent
C. sources are close together
D. all of them
2 A completely transparent material will be invisible in vacuum when the refractive index n is
A. Unity
B. More than unity
C. Less than unity
D. Equal to 1.33
3 The distance between the two adjacent slits is called
A. Thickness of the slit
B. Distance between and two slits
C. Grating element
D. None of these
4 In newton's rings see through the reflected light, centeral spo is:
A. Bright
B. Dark
C. Either of the Two
D. None of these
5 When the movable mirror moves, the distance λ/4 the total path difference would be
A. 2λ
B. λ
C. 2λ/4
D. None of these
6 Optically active substance are those substance which
A. Produce polarization of polarized light
B. Rotate the plane of polarization of polarized light
C. Produce double refraction
D. Both a and b
7 The optical fibre has a layer over the central layer is called cladding of refractive index
A. High
B. Low
C. Very high
D. None of these
8 The magnification of a simple microscope of focal length 5cm is
A. 3
B. 5
C. 6
D. 20
9 A diffraction grating has 500 liens per mm. its slit spacing or grating element will
A. 500 mm
B. 5 x 10-3 mm
C. 2 x 10-5mm
D. 2 x 10-3mm
10 Ultra-violet rays differ from X-rays in that ultra - violet rays
A. Cannot be diffracted
B. Cannot be polarized
C. Do not affect a photographic plate
D. Have a lower frequency

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