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प्रश्न
A beaker half filled with water is held above the eye level in bright sunlight. The top surface of water appears silvery, because of:
विकल्प
reflection of light
refraction of light
total internal reflection of light
dispersion of light
MCQ
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उत्तर
Total internal reflection of light
Explanation:
Light travelling through water can strike the water–air surface at an angle greater than the critical angle. It is then totally internally reflected, making the surface appear silvery.
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