ECAT Pre Computer Science Chapter 10 MCQ Test With Answer

MCQ's Test For ECAT Physics Chapter 10 Optical Instruments

Try The MCQ's Test For ECAT Physics Chapter 10 Optical Instruments

  • Total Questions15

  • Time Allowed20

Start Test Download PDF

ECAT Physics Chapter 10 Optical Instruments

00:00
Question # 1

In an interference pattern of Young's Double Slit (YDS) experiment

Question # 2

Monochromatic light means wave of

Question # 3

The appearance of colours in the soap (or oil) film results from

Question # 4

Electromagnetic waves transport

Question # 5

To observe interference of light, the condition, which must be met with is that the sources must be

Question # 6

The property of light which does not change with the nature of the medium is

Question # 7

The speed of the secondary wavelets as mentioned in Huygen's principle is ________ the speed of propagation of the wave itself

Question # 8

Frequency of red colour as compared to that of violet colour is

Question # 9

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

Question # 10

The terms phase difference and path difference are

Question # 11

When the source of light is at very large distance, the shape of wavefront is

Question # 12

The wave nature of light was proposed by

Question # 13

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

Question # 14

Two sources are said to be coherent if they have

Question # 15

Huygen's principle states that

Submit

Prepare Complete Set Wise ECAT Physics Chapter 10 Optical Instruments MCQs Online With Answers


Top Scorers Of ECAT Physics Chapter 10 Optical Instruments MCQ`s Test

  • A
    Abdullah Baloch 27 - Jul - 2024 00 Min 12 Sec 60/60
  • H
    Heer 13 - Dec - 2023 00 Min 33 Sec 60/60
  • V
    Vertex Gaming 16 - Jul - 2024 00 Min 38 Sec 60/60
  • F
    fouzia chaudhary 11 - Jul - 2022 02 Min 35 Sec 60/60
  • C
    Cartoon Creater 30 - May - 2024 04 Min 08 Sec 60/60
  • A
    Ayan Shuaib 30 - Jan - 2024 00 Min 35 Sec 55/60
  • T
    Tasser Haider 31 - May - 2024 00 Min 47 Sec 55/60
  • A
    Abdullah G 24 - Dec - 2023 00 Min 50 Sec 55/60
  • H
    Hafiz Amar 08 - Feb - 2024 01 Min 21 Sec 55/60
  • A
    Akhtar Emmanuel 31 - Jan - 2024 01 Min 33 Sec 55/60
  • M
    Muhammad noor Ahmed 27 - Feb - 2024 01 Min 42 Sec 55/60
  • M
    Manoush Fatima 31 - May - 2024 02 Min 55 Sec 55/60
  • A
    Azeem Sagar 17 - Jul - 2024 04 Min 03 Sec 55/60
  • M
    Mohammad Khalid 27 - May - 2024 04 Min 10 Sec 55/60
  • A
    Ayema Khalid 12 - Feb - 2023 10 Min 50 Sec 55/60
Sr. # Question Answer
1 Laws of reflection and refraction can also be explained by

A. Particle nature of light

B. Quantum nature of light

C.Wave nature of light

D. Complex nature of light

2 Wavelength of red colour as compared to that of violet colour is

A. Smaller

B. Longer

C.Equal

D. None of these

3 Electromagnetic waves transport

A. Energy only

B. Momentum only

C.Both A and B

D. None is correct

4 Monochromatic light means wave of

A. Same frequency

B. Same colour

C.Same Wavelength

D. All of them

5 The speed of the secondary wavelets as mentioned in Huygen's principle is ________ the speed of propagation of the wave itself

A. Equal to

B. Greater than

C.Smaller than

D. None of these

6 Speed of light in vacuum depends upon

A. Frequency

B. Wavelength

C.Amplitude

D. None of these

7 In YDS experiment, fringe spacing means the distance between two consecutive _________ fringes

A. Bright

B. Dark

C.Any of A or B

D. None 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 Wavelength of light, on the average, is given by

A. 10-14m

B. 10-10m

C.10-6m

D. 10-4m

10 Light has

A. Wave nature

B. Dual nature

C.Particle nature

D. None of them

11 In case of point source of light, shape of wavefront is

A. Spherical

B. Cylindrical

C.Plane

D. None of above

12 In an interference pattern of Young's Double Slit (YDS) experiment

A. Bright fringes are wider than dark fringes

B. Dark fringes are wider than bright fringes

C.Both dark and bright fringes are of equal width

D. Central fringes are wider than the outer fringes

13 Two sources are said to be coherent if they have

A. Same amplitude

B. Same wavelength

C.Definite phase relation with each other

D. None of them

14 In case of destructive interference of two waves, the amplitude of the resultant wave will be __________ either of the waves.

A. Greater than

B. Smaller than

C.Equal to

D. None of these

15 The appearance of colours in the soap (or oil) film results from

A. Dispersion

B. Interference

C.Reflection

D. Refraction

Test Questions

Is this page helpful?