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Physical Optics - Set 3
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NUST Entrance Test
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Physics
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Physical Optics
Set 3
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Mashaal Masha
Oct 15, 2022
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Choose the correct options for the following questions.
The appearance of colors in the soap (or oil) film results from:
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Difficulty: Easy
A:
Dispersion
B:
Interference
C:
Reflection
D:
Refraction
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Two sources are said to be coherent if they have:
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Difficulty: Easy
A:
Same amplitude
B:
Same wavelength
C:
Definite phase relation with each other
D:
None
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