Home
News
Colleges
Courses
Admission
Lectures
Online Test
Past Papers
Date Sheets
Results
Study Abroad
Jobs
Tutors
More
Apps
.gif)
MCQ's Test For ECAT Physics Chapter 9 Physical Optics
Try The MCQ's Test For ECAT Physics Chapter 9 Physical Optics
-
Total Questions15
-
Time Allowed20
ECAT Physics Chapter 9 Physical Optics
00:00
Question # 1
To sources are said to be coherent if they have:
Question # 2
Angle between the ray of light and the corresponding wavefront is:
Question # 3
The contrast in the fringes in an interference pattern depends upon
Question # 4
The wave nature of light was proposed by:
Question # 5
A prism splits a beam of white light into seven component colors. This is so because
Question # 6
When the object lies between F and 2F, the image formed by is formed at:
Question # 7
Laws of reflection and refraction can also be explained by:
Question # 8
Speed of light in vacuum depends upon:
Question # 9
Frequency of red color as compared to that of violet color is:
Question # 10
To observe interference of light, the condition, which must be met with is that the sources must be:
Question # 11
The size of the image is maximum when its distance from the magnifying glass is:
Question # 12
For the virtual image, option _______ is not correct:
Question # 13
The appearance of the colour in the soap (oil) film results from:
Question # 14
Which one the following gives three regions of electromagnetic spectrum in order of increasing wavelength?
Question # 15
A grating with high resolving power can distinguish _______ difference in wavelengths :
Top Scorers Of ECAT Physics Chapter 9 Physical Optics MCQ`s Test
-
H Heer 21 - Jan - 2024 00 Min 29 Sec 60/60 -
V Vertex Gaming 16 - Jul - 2024 00 Min 47 Sec 55/60 -
T Tasser Haider 31 - May - 2024 01 Min 13 Sec 50/60 -
M Maham Mehar 31 - Jul - 2024 02 Min 42 Sec 50/60 -
M Manoush Fatima 31 - May - 2024 03 Min 21 Sec 50/60 -
A Abdullah Baloch 27 - Jul - 2024 03 Min 48 Sec 50/60 -
E Esha Azeem 03 - Dec - 2023 15 Min 03 Sec 50/60 -
M Muhammad Hashim 02 - Jun - 2024 02 Min 01 Sec 45/60 -
A Ayan Shuaib 29 - Jan - 2024 02 Min 23 Sec 45/60 -
M Muhammad Abdur.Rahman Khan 30 - Aug - 2024 03 Min 51 Sec 45/60 -
H Hira Maqsood 20 - Feb - 2024 07 Min 03 Sec 45/60 -
S suzi 09 - Feb - 2026 01 Min 42 Sec 44/60 -
M M.Faiq 22 - May - 2024 02 Min 46 Sec 40/60 -
M Muhammad Sadaqat 10 - Mar - 2023 03 Min 54 Sec 40/60 -
H Haseeb Ur Rehman raja 25 - Jun - 2024 05 Min 10 Sec 40/60
ECAT Physics Chapter 9 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | Wave length of light, on the average, is given by: |
A. 10-14m
B. 10-10m
C. 10-6m
D. 10-4m
|
| 2 | A grating with high resolving power can distinguish _______ difference in wavelengths : |
A. Smaller
B. Larger
C. Zero
D. None of these
|
| 3 | Speed of light in vacuum depends upon: |
A. Frequency
B. Wavelength
C. Amplitude
D. None of these
|
| 4 | In case of point, source of light shape of wavefront is: |
A. Spherical
B. Cylindrical
C. Plane
D. None of these
|
| 5 | The size of the image is maximum when its distance from the magnifying glass is: |
A. 0.10 m
B. 0.15 m
C. 0.20 m
D. 0.25 m
|
| 6 | The ratio of the size of the image to that of object is called: |
A. Focal length
B. Aperture
C. Linear magnification
D. Principal axis
|
| 7 | Huygen's principles states that: |
A. Light has dual nature
B. Either of these
C. None of these
D. Light travels in straigth line
|
| 8 | Least distance of distinct vision of an old man possibly becomes: |
A. A little less than 25 cm
B. A little more than 25 cm
C. Much less than 25 cm
D. None of these
|
| 9 | Wave length of that color as compared to that of violet color is: |
A. Smaller
B. Longer
C. Equal
D. None of these
|
| 10 | The image of the tip of a needle is never sharp because of |
A. Polarization of light
B. Interference of light
C. Diffraction of light
D. Reflection of light
|
Test Questions
Share your comments & questions here
No comments yet. Be the first to comment!