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

For glass-air boundary the critical angle θc is

Question # 2

A material having high refractive index has

Question # 3

How is the image formed by a convex lens affected if the upper half of the lens is covered with a paper

Question # 4

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

Question # 5

Single mode step index fibre has feature/s like

Question # 6

The path difference involved in interference in thin films depends upon

Question # 7

Which of the following frequency ranges includes most of the electromagnetic waves emitted by the ultra - violet tubes used in a sun bed?

Question # 8

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

Question # 9

If the slits in YDS experiment are made closer, fringe spacing will:

Question # 10

Conditions for interference are that the two sources should be coherent and

Question # 11

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

Question # 12

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

Question # 13

A fibre optic communication system consists of

Question # 14

The resolving power of telescope depends on

Question # 15

Huygen's wave theory of light cannot explain

Question # 16

The magnification of a compound microscope of object and eye piece of focal lengths f0and fe, respectively is

Question # 17

The distance between the top adjacent slits on diffraction grating is called

Question # 18

Wavelength of X-rays falling at a glancing angle of 30° on a crystal with atomic spacing 2 x 10-10m for first order diffraction is

Question # 19

In which mode, the refractive index steps down form 1.52 to 1.48 at the boundary with the cladding?

Question # 20

Optical device used in spectrometer

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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 A single converging lens placed close to the eye to see magnified image is called
A. A telescope
B. Compound microscope
C. Simple microscope
D. None of these
2 Wavelength of light, on the average, is given by:
A. 10-14m
B. 10-10m
C. 10-6m
D. 10-4m
3 Given that grating element = 0.2 x 10-3cm in case of a diffraction grating. Then number of lines per centimeter will be
A. 500000
B. 5000
C. 50
D. 5
4 The object is placed at the principle focus of a simple microscope if the focal length of the lens is 2cm what is the magnifying power of the microscope
A. 13.5
B. 12.5
C. Infinity
D. None of these
5 Wavelength of X-rays falling at glace angle 30° on crystal with atomic spacing 2 x 10-9m for the first order diffraction is
A. 4 x 10-6m
B. 2 x 10-10m
C. 0.2 x 10-10m
D. 20 x 10-10m
6 Angle between ray of light and the corresponding wavefront is:
A. 0°
B. 60°
C. 90°
D. 120°
7 An object is placed at a distance of 200 cm from a convex lens of focal length 10 cm the linear magnification is
A. 1/3
B. 2/3
C. 3/4
D. None
8 How many major components of fibre optic communication system are
A. 4
B. 5
C. 3
D. 2
9 Finger prints on paper are identified by sprinkling fluorescent powder on it and observing it under
A. Sun light
B. Sodium light
C. Infrared
D. UV
10 Who proposed that light energy form a luminous source travels in space by means of wave motion?
A. Newton
B. Maxwell
C. Einstein
D. Huygen

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