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

Wave front is the locus or all points in vibration are in the same

Question # 2

The bright fringes are termed as

Question # 3

Such a surface on which all the points have the same phase of vibration is known as

Question # 4

One angstrom equal:

Question # 5

Which of the following light move faster in water

Question # 6

Single mode step index fibre has feature/s like

Question # 7

At certain speed, the time taken by light in moving from M to m and back to M is equal to the time taken by

Question # 8

In Young s experiment the distance between two adjacent fringes for blue light is than that for green light

Question # 9

For interference to occur, the light coming from the two slits should

Question # 10

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

Question # 11

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

Question # 12

The light signals are sent from the source

Question # 13

For interference to occur the two light waves should be:

Question # 14

Which of the following converts electrical signals into light signals?

Question # 15

Conventionally, all the distances p, q, f, are measured from ______ of the lens

Question # 16

Two wave of intensities I an 4I superpose then the maximum and minimum intensities are

Question # 17

In an interference pattern of Ypung's double Slit (YDS) experiment:

Question # 18

Who gave the idea of light as wave ?

Question # 19

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 # 20

If Young s double slit experiment is immersed in water then the fringes with

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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 position of a new wavefront after a certain interval of time can be found by constructing a surface that is
A. A tangent
B. A tangent envelope
C. Curved surface
D. None of these
2 The speed of light in vacuum or in air is
A. 3 x 1010 m ! s
B. 3 x 109 m ! s
C. 3 x 108 m ! s
D. 3 x 107 m ! s
3 The diffraction of light occurs, due to interference, of
A. Obstructed portion
B. Unobstructed portion
C. Both obstructed and unobstructed light
D. None of these
4 Light appears to travel in straight line because
A. It is not absorbed by the atmosphere
B. It is refracted by the atmosphere
C. Its wavelength is very small
D. Its velocity is very large
5 As the object is brought from a far off point to he focus, the magnification goes on
A. Increasing
B. Decreasing
C. Do not change
D. None of these
6 If a light of λ = 588 nm falls on half silvered glass plate in Michelson s interferometer if movable mirror is moved through 0.233 mm the number of fringes will be observed to shift
A. 795
B. 792
C. 786
D. None
7 When an image formed by the objective lies at the focus of both the objective and the eye-piece, the telescope is said to be in
A. Final adjustment
B. Normal adjustment
C. Initial adjustment
D. None of these
8 In Young's double slit experiment, the widths of dark and bright fringes are
A. different
B. equal
C. zero
D. variable
9 Huygen's wave theory of light cannot explain
A. Diffraction
B. Interference
C. Polarization
D. Photoelectric effect
10 Plane polarized light can be produced by:
A. Simple reflection
B. Refraction
C. Selective absorption
D. All of these

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