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

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ECAT Physics Chapter 10 Optical Instruments

00:00
Question # 1

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

Question # 2

Two sources are said to be coherent if they have

Question # 3

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

Question # 4

Light has

Question # 5

Angle between ray of light and the corresponding wavefront is

Question # 6

Wavelength of light, on the average, is given by

Question # 7

The terms phase difference and path difference are

Question # 8

Light waves are

Question # 9

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

Question # 10

Huygen's principle states that

Question # 11

The wave nature of light was proposed by

Question # 12

Laws of reflection and refraction can also be explained by

Question # 13

Light waves are

Question # 14

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

Question # 15

The locus of all the points in the same phase of vibration is called

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ECAT Physics Chapter 10 Important MCQ's

Sr.# Question Answer
1 Speed of light in vacuum depends upon
A. Frequency
B. Wavelength
C. Amplitude
D. None of these
2 A line which represents the direction of travel of a wave is known as
A. Spherical wavefront
B. Locus
C. Ray
D. Either B or C
3 Huygen principle is used to determine
A. Speed of light
B. Location of wavefront
C. About polarized and unpolarized light
D. None of them
4 The locus of all the points in the same phase of vibration is called
A. Wave pocket
B. Wavefront
C. Wave number
D. None of these
5 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
6 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
7 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
8 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
9 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
10 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

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