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

In the Young's double slit experiment the separation between the slits is halved and the distance between the slits and the screen is doubled the fringe width is

Question # 2

The wavefront formed at very large distance from the source is:

Question # 3

We can use Fibre optics system for

Question # 4

The points on a Huygen's wave front which sends out secondary wavelets are also

Question # 5

The refracting edge of the prism must be parallel to the axis of rotation of the telescope, so that the turn table is leveled using

Question # 6

A tourmaline crystal is being used as an analyzer In one complete rotation of the crystal the number of excitation will be

Question # 7

Glare produces when light reflects from water snow and rough road surfaces when their angle of incidence is

Question # 8

Two sources of waves are called coherent if

Question # 9

Diffraction of light occurs, due to the interference between rays coming from the same wavefront of

Question # 10

The distance between the concentric wavefronts is

Question # 11

The resolving power of a grating spectrometer is

Question # 12

Two light sources obtained from single source are called

Question # 13

A driver in a lake wants to signal his distress to a person sitting on the edge of the lake flashing his water proof torch He should direct the beam

Question # 14

The angle of incidence at which angle of refraction becomes 900 is called

Question # 15

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

Question # 16

The plane of polarization is rotated many degrees when a thickness of such crystal is

Question # 17

To get high resolving power for a telescope one should use

Question # 18

Light waves produce interference when

Question # 19

For a system to transmit thousands of telephones conversations, several television programs and numerous data signals, it need the following number so threads of optical fibre

Question # 20

The light waves and radio waves differ in

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 An object is placed at a distance 18 cm from a convex lens. The image is formed at a distance of 9 cm the focal length of the lens is
A. 6 cm
B. 9 cm
C. 10 cm
D. 18 cm
2 The scattering of X-rays from atoms in a crystalline lattice gives rise to
A. Interference
B. Diffraction
C. Reflection
D. None of these
3 The locus of all the points in the same phase of vibration is called:
A. Wave packet
B. Wavefront
C. Wave number
D. None of these
4 The phenomenon of diffraction can be exhibited by
A. Polarized waves only
B. Un polarized waves only
C. Longitudinal waves only
D. All polarized or un polarized waves and longitudinal or transverse waves
5 The speed of light in vacuum is 3 x 108 ms-1.Its speed in a medium of refractive index 1.5 will be
A. 6.5 x 108
B. 2 x 108 ms-1
C. 4.5 x 108 cm
D. 5.5 x 108
6 A line normal to the wavefront including the direction of motion is called
A. perpendicular line
B. parallel line
C. a ray of light
D. none of them
7 For the normal setting of a telescope
A. Only the object is at infinity
B. Only the final image is at infinity
C. Both the object and the final image is at infinity
D. Neither the object nor the final image has to be at infinity
8 Which of the following is an optical fibre in which the density of central core decreases towards its periphery?
A. multi-mode step index fibre
B. multi-mode graded index fibre
C. both of them
D. none of them
9 The diffraction grating is used to determine
A. Intensity of light
B. Wavelength of light
C. Refractive index of prism
D. None of these
10 Measurement of a standard metre in terms of the wavelength of red cadmium light is
A. 1,563,163.5
B. 1,553,363.5
C. 155,553.5
D. 1,553,163.5

Test Questions

Is this page helpful?