Match the materials given below with the speed of light in them.
Column I Column II
1. Air (a) 2 × $10^{8}$ m/s
2. Water (b) 3 × $10^{8}$ m/s
3. Glass (c) 2.25 × $10^{8}$ m/s

1: (c); 2: (a); 3: (b)

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1: (a); 2: (c); 3: (b)

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1: (b); 2: (c); 3: (a)

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1: (a); 2: (b); 3: (c)

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Solution

The correct option is C 1: (b); 2: (c); 3: (a)
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Similar questions

23 . T h e r e f r a c t i v e i n d e x o f w a t e r i s \frac{4}{3} . I f t h e s p e e d o f l i g h t i n a i r i s 3 \times 10^{8} m / s, t h e n t h e s p e e d o f l i g h t i n w a t e r i s (1) 2.25 \times 10^{8} m / s (2) 2.75 \times 10^{8} m / s (3) 1.5 \times 10^{8} m / s (4) 3 \times 10^{8} m / s

The speed of light in air is 3 x 10⁸ m/s.The speed of light in glass of refractive index 1.5 is ?

a) 4.5 x 10⁸ m/s b) 0.2 x 10⁸ m/s c) 3 x 10⁸ m/s d) 2 x 10⁸m/s e)3.5 x 10⁸ m/s

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