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ECAT Pre General Science Physics Chapter 10 Optical Instruments Online Test
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Total Questions30
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Time Allowed30
ECAT Pre General Science Physics Chapter 10 Optical Instruments Online Test
Wavelength of light, on the average, is given by
In case of destructive interference of two waves, the amplitude of the resultant wave will be __________ either of the waves.
A line which represents the direction of travel of a wave is known as
Two sources are said to be coherent if they have
When the source of light is at very large distance, the shape of wavefront is
The appearance of colours in the soap (or oil) film results from
Huygen principle is used to determine
Huygen's principle states that
Angle between ray of light and the corresponding wavefront is
To observe interference of light, the condition, which must be met with is that the sources must be
Monochromatic light means wave of
Light waves are
The appearance of colours in the soap (or oil) film results from
The wave nature of light was proposed by
The speed of the secondary wavelets as mentioned in Huygen's principle is ________ the speed of propagation of the wave itself
Light has
In case of constructive interference of two waves, the amplitude of the resultant wave is __________ either of the waves
The locus of all the points in the same phase of vibration is called
Frequency of red colour as compared to that of violet colour is
The property of light which does not change with the nature of the medium is
The terms phase difference and path difference are
In an interference pattern of Young's Double Slit (YDS) experiment
Laws of reflection and refraction can also be explained by
Wavelength of red colour as compared to that of violet colour is
Speed of light in vacuum depends upon
Electromagnetic waves transport
In case of point source of light, shape of wavefront is
Light waves are
Which one of the followings can act approximately as a source of monochromatic light
In YDS experiment, fringe spacing means the distance between two consecutive _________ fringes
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Biology Chapter 1 MCQ - PDF
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