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Physics ECAT Pre Engineering Chapter 9 Physical Optics Online Test
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Total Questions15
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Time Allowed20
Physics ECAT Pre Engineering Chapter 9 Physical Optics Online Test
00:00
Question # 1
When the object lies between F and 2F, the image formed by is formed at:
Question # 2
The image of an object 5 mm length is only 1 cm high. The magnification produced by lens is:
Question # 3
In order to get interference using two light rays
Question # 4
Which one of the following phenomenon cannot be explained on the bases of Huygen's theory
Question # 5
In case of destructive interference of two waves, the amplitude of the resultant wave will be ____ either of the waves:
Question # 6
The contrast in the fringes in an interference pattern depends upon
Question # 7
Resolving power in mth order diffraction for grating is given by:
Question # 8
Wave length of light, on the average, is given by:
Question # 9
According to Huygen's principle
Question # 10
In case of constructive interference of two waves, the amplitude of the resultant wave is _______ either of the waves:
Question # 11
A grating with high resolving power can distinguish _______ difference in wavelengths :
Question # 12
Light waves are:
Question # 13
Huygen's principles states that:
Question # 14
Conventionally, all the distance p, q, f are measured from _____ of the lens:
Question # 15
If the object and its image are located at a distance of 5 cm from the focus of a convex lens, the focus length of the lens will be:
Matric Part 2/10th Class English Chapter 1 MCQ Test With Answer for Chapter 1 Hazrat Muhammad (S.A.W) an Embodiment of Justice
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Biology Chapter 1 - Answers Mode
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Biology Chapter 1 MCQ - PDF
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Download PDF with answers to study online or offline. The PDF cotnains all MCQ questions with answers for Class 10 Biology Chapter 1 - Acids and Liquids. Total questions are 12.
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