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MCQ's Test For ECAT Physics Chapter 9 Physical Optics
Try The MCQ's Test For ECAT Physics Chapter 9 Physical Optics
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Total Questions15
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Time Allowed20
ECAT Physics Chapter 9 Physical Optics
00:00
Question # 1
The wave nature of light was proposed by:
Question # 2
Laws of reflection and refraction can also be explained by:
Question # 3
According to Huygen's principle
Question # 4
Angle between the ray of light and the corresponding wavefront is:
Question # 5
The image of an object 5 mm length is only 1 cm high. The magnification produced by lens is:
Question # 6
In case of constructive interference of two waves, the amplitude of the resultant wave is _______ either of the waves:
Question # 7
A ray passing through optical center of a lens, after refraction:
Question # 8
A grating with high resolving power can distinguish _______ difference in wavelengths :
Question # 9
The velocity of light in vacuum can be changed by changing
Question # 10
Speed of light in vacuum depends upon:
Question # 11
Light has:
Question # 12
Huygen's principles states that:
Question # 13
The terms phase difference and path difference are:
Question # 14
Conventionally, all the distance p, q, f are measured from _____ of the lens:
Question # 15
For the virtual image, option _______ is not correct:
Top Scorers Of ECAT Physics Chapter 9 Physical Optics MCQ`s Test
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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 that color as compared to that of violet color is: |
A. Smaller
B. Longer
C. Equal
D. None of these
|
| 2 | A virtual image is formed when object is placed: |
A. Within focal length of a convex lens
B. Near the focal point of a concave lens
C. Both A and B
D. Away from 2F of a convex lens
|
| 3 | The appearance of the colour in the soap (oil) film results from: |
A. Dispersion
B. Interference
C. Reflection
D. Refraction
|
| 4 | A prism splits a beam of white light into seven component colors. This is so because |
A. Phase of different colors is different
B. Amplitude of different colors is different
C. Wavelength of different colors is different
D. Velocity of different colors is different
|
| 5 | The property of light which does not change with the nature of the medium is: |
A. Frequency
B. Amplitude
C. Wavelength
D. None of these
|
| 6 | Electromagnetic waves transport: |
A. Energy only
B. Momentum only
C. Both A and B are correct
D. None of is correct
|
| 7 | When the object lies between F and 2F, the image formed by is formed at: |
A. Virtual
B. Diminished
C. Erect
D. Real
|
| 8 | To see the minor details of the object by microscope, it should have: |
A. High magnifying power
B. High resolving power
C. Am objective of larger focal length
D. None of these
|
| 9 | When the object lies between F and 2F, the image formed by is formed at: |
A. Real
B. Virtual
C. Diminished
D. Erect
|
| 10 | 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
|
Test Questions
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