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प्रश्न
Small air bubbles rising up a fish tank appear silvery when viewed from some particular angle because of the phenomenon of ______.
पर्याय
reflection
refraction
total internal reflection
dispersion
MCQ
रिकाम्या जागा भरा
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उत्तर
Small air bubbles rising up a fish tank appear silvery when viewed from some particular angle because of the phenomenon of total internal reflection.
Explanation:
Light travelling through water can undergo total internal reflection at the water–air boundary of a bubble when it strikes at an angle greater than the critical angle. This makes the bubbles appear silvery. Ordinary reflection, refraction or dispersion does not explain this effect.
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