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

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Question # 1

A convex lens has focal length F.An object is placed at P then

Question # 2

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

Question # 3

In an astronomical telescope the eye piece has the focal length fe if

Question # 4

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

Question # 5

On a diffraction grating a large number of close parallel equidistant slits are ruled on it

Question # 6

A usual way to obtain a plane wave is to place point source of light at the focus of a

Question # 7

Such type of fibre in which center core is of high refractive index and the layer over the central core is low refractive index is called

Question # 8

When a ray of light enters a denser medium from a rarer medium,its:

Question # 9

The fringes produced in Young's double slit experiment will be wider if the distance between the two slits is

Question # 10

In YDS experiment, data given isλ=500 nm, d=1 mm, L=100cm,∆y come out to be:

Question # 11

A sun rise or sun set the sun looks reddish because

Question # 12

Cladding in an optical fiber is used to

Question # 13

Diffraction of X-ray by crystals show that

Question # 14

When refractive index of core is 1.50 and of 1.48 of cadding then find the angle of entry for an optical fibre is

Question # 15

If the wavelength of light used in Michelsion's interferometer is 400 nm and the moveable mirror only moved throughλ/4, then the length moved will be

Question # 16

If the moveable mirror in Michelsion's interferometer moves a distanceλ/2, the path difference changes by

Question # 17

A diffraction grating contains 5000 lines per centimeter, its grating element will be

Question # 18

Angle between ray of light and the corresponding wavefront is:

Question # 19

In normal adjustment, the length of the telescope is

Question # 20

The conversion of electrical signals into light signals taken place 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 The bending of light when it passes from one medium to another is known as
A. Refraction
B. Interference
C. Polarization
D. Diffraction
2 A typical diffraction grating has lines per centimeter
A. 10 to 100
B. 100 to 1000
C. 1000 to 5000
D. 400 to 5000
3 Two sources of light are said to be coherent when the waves produced by them have
A. Equal wavelength
B. Equal amplitude
C. Equal wavelength and constant phase difference
D. Amplitude and wavelength are same
4 If the slits in YDS experiment are made closer, fringe spacing will
A. Increase
B. Decrease
C. Remain same
D. None of these
5 If the distance of a surface from light source is doubled,then the luminance will become
A. 1/4 times
B. 1/2 times
C. 2 times
D. 4 times
6 The image formed by an eyepiece of compound microscope is
A. Real and diminished
B. Real and enlarged
C. Virtual and enlarged
D. Virtual and diminished
7 A convex lens of focal length 5 cm is used as magnifying glass Its magnifying power when the image is formed at infinity
A. 6
B. 5
C. 1.5
D. 7
8 X-ray diffraction has been very useful in determining structure of
A. Hemoglobin
B. Double helix structure of DNA
C. Blood speed
D. a and b
9 If 'd' 'm' and fringe spacing ΔY are known, the interference effect due to light of λ
A. Cannot be determine
B. Can be determined in same cases
C. Can be determined
D. None of these
10 The magnifying power of an instrument is expressed in
A. Radians
B. Degrees
C. No units
D. None of these

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