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

  • Total Questions20

  • Time Allowed20

Start Test Download PDF

MDCAT Physics Chapter 7 Light Online Test

00:00
Question # 1

A line which represents the direction of travel of a wave is known as

Question # 2

Star twinkle due to

Question # 3

The wave length of x-rays is of the order of

Question # 4

A double convex lens act as a diverging lens when the object is

Question # 5

Light traveling through vacuum enters water which characteristic of light does not charge

Question # 6

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

Question # 7

Which one of the following can act approximately as a source of monochromatic light

Question # 8

Which of the following light move faster in water

Question # 9

In light waves, the components of electric and magnetic fields are

Question # 10

In the relations d sinθ = nλ, shows that the value of θ depends upon 'n' so the images of different colours are much separated in

Question # 11

The phenomenon is found to be prominent when size of the opening (aperture) is

Question # 12

The light form Sun reaches earth in the form of

Question # 13

Consider telecommunication through optical fibers.Which of the following statements is not true?

Question # 14

The variation if focal length of a lens when we pass from the central portion out words (to words the lens edges) is known as

Question # 15

In an optical fibre the speed of light is

Question # 16

Diffraction effect is

Question # 17

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 # 18

In the thin film, the path difference of two reflected ray depends upon

Question # 19

Wavelength of red color as compared to that of violet color is

Question # 20

A ray of light reflected from a dense medium under goes a phase change of:

Submit

Prepare Complete Set Wise MDCAT Physics Chapter 7 Light Online Test MCQs Online With Answers


Topic Test

00:00
Submit

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.

Top Scorers Of MDCAT Physics Chapter 7 Light Online Test MCQ`s Test

  • S
    Somaid Ali 19 - Sep - 2024 01 Min 23 Sec 20/20
  • R
    RIZWAN LIAQAT 20 - Sep - 2024 08 Min 25 Sec 20/20
  • A
    Aman Khan 23 - Sep - 2024 01 Min 07 Sec 19/20
  • S
    Sameer Ali 25 - Sep - 2024 01 Min 18 Sec 19/20
  • A
    Aliza Khan 20 - Jan - 2025 02 Min 09 Sec 18/20
  • M
    Mehak Soomro 19 - Sep - 2024 03 Min 23 Sec 18/20
  • A
    Afnan Akhtar 21 - Sep - 2024 03 Min 25 Sec 18/20
  • D
    Danish Asghar. 15 - Sep - 2024 16 Min 13 Sec 18/20
  • H
    Hassan Shaikh 21 - Nov - 2024 02 Min 37 Sec 17/20
  • S
    shaheer ahmad 03 - Oct - 2025 12 Min 10 Sec 16/20
  • S
    saba waheed 21 - Sep - 2024 03 Min 33 Sec 15/20
  • A
    Aimen Ahsan 16 - Jan - 2025 16 Min 03 Sec 15/20
  • I
    it's syeda 19 - Sep - 2024 02 Min 37 Sec 14/20
  • H
    hassan ktk 04 - Dec - 2024 16 Min 43 Sec 14/20
  • H
    Hammad Abbas 24 - Dec - 2024 16 Min 09 Sec 13/20

MCAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 In spectrometer the function of collimator is to produce
A. Diverging beam of light
B. Converging beam of light
C. Parallel beam of light
D. None of these
2 With a step-index fibre, the overall time difference between all the wavelengths arrived at the other end may be about
A. 43 s per km
B. 33 s per km
C. 1 ns per km
D. 33 ns per km
3 An oil film floating on water surface show colours due to
A. Interference
B. Diffraction
C. Scattering
D. Reflection
4 In thin film colours are due to
A. Reflection
B. Interference
C. Diffraction
D. Refraction
5 Diffraction effect is
A. More for a round edge
B. More for a sharp edge
C. Less for a sharp edge
D. None of these
6 We can divide the optical fibres on the basis of the mode by which they propagate light in
A. two types
B. three types
C. four types
D. many types
7 In the thin film, the path difference between the two reflecting waves depends upon
A. thickness of film
B. nature of film
C. angle of incidence
D. all of them
8 A light wave produced by oscillating charge consists of a periodic variation of
A. electric field
B. magnetic field
C. either of them
D. both of them
9 The disadvantage of the step-index fibre can be reduced by
A. graded index fibre
B. non-graded index fibre
C. both of these
D. none of these
10 If a point source of light is placed at the focus of a convex lens the rays coming out of the lens will constitute
A. Plane wave fronts
B. Cylindrical wave fronts
C. Spherical wave fronts
D. All of above

Test Questions

Share your comments & questions here

Guest

  • No comments yet. Be the first to comment!