ECAT Pre Computer Science Chapter 9 MCQ Test With Answer

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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ECAT Physics Chapter 9 Physical Optics

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Question # 1

With age, least distance of distinct vision:

Question # 2

Frequency of red color as compared to that of violet color is:

Question # 3

Which one the following gives three regions of electromagnetic spectrum in order of increasing wavelength?

Question # 4

The appearance of the colour in the soap (oil) film results from:

Question # 5

The locus of all points in a medium having same phase of vibration is called

Question # 6

If the focal length of the convex lens is 5 cm, then to get the real and inverted image of the same size as that of object, the object should be placed at:

Question # 7

According to Huygen's principle

Question # 8

A virtual image is formed when object is placed:

Question # 9

Wave length of light, on the average, is given by:

Question # 10

The magnifier forms a virtual image of the object at:

Question # 11

In YDS experiment, fringe spacing means the distance between two consecutive ____fringes.

Question # 12

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

Question # 13

Light appears to travel in straight line because

Question # 14

The image of an object 5 mm length is only 1 cm high. The magnification produced by lens is:

Question # 15

Wave length of that color as compared to that of violet color is:

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