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

Experimental demonstration of wave nature of light was given in 1801 by:

Question # 2

Wavelength of light of frequency 100 Hz is

Question # 3

Sun has elliptical shape when it rises and sets due to

Question # 4

Spectrometer using diffraction grating can measure

Question # 5

For constructive interference path difference should be

Question # 6

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

Question # 7

Using monochromatic light, interference fringes are produced on a screen placed a distance D from a pair of slits of separation a.
The separation of the fringes is X.
a is now halved and D is increased by a factor of 4.
What is the new fringe separation?

Question # 8

The final image obtained by astronomical telescope is

Question # 9

Who confirm the wave theory of light ?

Question # 10

In YDS experiment, at the center of screen is formed a:

Question # 11

In an astronomical telescope is the objective has the focal length fo is

Question # 12

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

Question # 13

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 # 14

We can divide the optical fibres on the basis of the mode by which they propagate light in

Question # 15

Laws of reflection and refraction can also be explained by:

Question # 16

Power of a lens is equal to

Question # 17

In an interference fringes pattern the fringes are

Question # 18

Multimode graded index fibre core has diameter of

Question # 19

If a lens is cut into two piece perpendicular to the principal axis and only part is used the intensity of the image:

Question # 20

What is the main cause of the shinning of diamond?

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 At the point of contact of the lens and the glass plate, the Newton's ring is
A. dark
B. bright
C. either of them
D. neither of them
2 In young s interference experiment one slit is covered with a cellophane paper which absorbs half the intensity then
A. No fringes are observed
B. All fringes will be darks
C. bright fringes will be less bright and dark will be less dark
D. Bright fringes will be brighter and dark fringes will be darks
3 The central point in the Newton's rings is dark due to
A. Destructive interference
B. Constructive interference
C. Additional of path difference λ/2
D. b and c
4 Least distance of distinct vision
A. Decrease with increasing age
B. Increases with increasing age
C. Does not vary with age
D. May increase or decrease with age
5 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
6 If the magnification M1 = 20.0 for objective and M2 = 12.0 then total magnification is
A. 200
B. 240
C. 260
D. 280
7 Plane polarized light can be produced by:
A. Simple reflection
B. Refraction
C. Selective absorption
D. All of these
8 Frequency of red colour as compared to that of violet colour is:
A. Equal
B. Smaller
C. Greater
D. None of these
9 The typical wavelength of the signal which we sent in the optical fibre is
A. 1000 nm
B. 100 m
C. 1.3 mn
D. 1.3μm
10 Mirage is a phenomenon due to
A. Reflection of light
B. Refraction of light
C. Total internal reflection of light
D. Diffraction of light

Test Questions

Share your comments & questions here

Guest

  • No comments yet. Be the first to comment!