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प्रश्न
Huygen's conception of secondary waves ______.
विकल्प
Allow us to find the focal length of a thick lens
Is a geometrical method to find a wave front
Is used to determine the velocity of light
Is used to explain polarisation
MCQ
रिक्त स्थान भरें
उत्तर
Huygen's conception of secondary waves is a geometrical method to find a wave front.
shaalaa.com
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