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AIEEE 2004 Physics Solved Paper

Question : 65

Total: 78

wave length is halved and frequency remains unchanged
wave length is doubled and the frequency becomes half
wave length is doubled and the frequency remains unchanged
wave length and frequency both remain unchanged. A fish looking up through the water sees the outside world contained in a circular horizon. If the refractive index of water is ‌
4
3
and the fish is 12‌cm below the surface, the radius of this circle in cm

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