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 Huygen's wave theory the locus of all points in the same state of vibration is called

Question # 2

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 # 3

The property of bending of light around obstacies is called

Question # 4

The speed of light in a medium of refractive index 1.5 is

Question # 5

The time taken by light for its passage from M to m and back is

Question # 6

A compound microscope is consists of

Question # 7

In Michelsion's interferometer, if a dark fringe is seen in the beginning, the next dark fringe will appear by moving the moveable mirror through a distance

Question # 8

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 # 9

For interference to occur,the interfering beams of light must be

Question # 10

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

Question # 11

In digital modulation, the LED or laser flashed on and off at a

Question # 12

Polaristion is a phenomenon associated with a certain type of wave.
Which condition must be fulfilled if the wave is to be polarised?

Question # 13

Which one light source can travel faster through optical fibre is

Question # 14

The maximum size of an object as seen by the naked eye is obtained when it is placed of

Question # 15

The phenomenon of polarization proves that the light waves are

Question # 16

How the fringe spacing varies as the separation of the slits increases

Question # 17

The least distance of he distinct vision is

Question # 18

A convex lens of focal length 5 cm is used as magnifying glass Its magnifying power when the image is formed at infinity

Question # 19

The medium in which speed of light is the same in all directions is called

Question # 20

Which type of fibre is used to send the signals of long distances?

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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 ray of light enters a denser medium from a rarer medium,its:
A. Wavelength increases
B. Velocity increases
C. Frequency decreases
D. Wavelength decreases
2 A wider objective and the use of blue light of short wavelength produces
A. Interference
B. Diffraction
C. Less diffraction
D. Polarization
3 On a diffraction grating which thing acts as a slit
A. the lines which are ruled on it
B. the spacing between the lines
C. either of them
D. none of them
4 Sunset makes sky appears reddish because of:
A. Diffraction of sun rays
B. Refraction of light
C. Scattering of light from dust particles
D. Polarization of ligth
5 To observe diffraction phenomenon the size of a obstacle
A. Should be much larger than the wavelength
B. Should be of the same order as the wavelength
C. Have no relation of wavelength
D. Should be exactly λ/2
6 In YDS experiment, condition for constructive interference is that path difference is equal to
A. nλ
B. mλ
C. (n + 1/2)λ
D. (m + 1/2)λ
7 How many phone calls can be carried by single mode step index fibre
A. 25000
B. 96000
C. 14000
D. 21000
8 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
9 Which does not show polarization
A. Longitudinal wave in gas
B. Transverse wave in gas
C. Both a and b
D. None of these
10 Wave front is the locus or all points in vibration are in the same
A. Frequency
B. Phase
C. Wavelength
D. All of these

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