Question

17. The speed of light in air is 3x108(101 point power 8 ) m/s. The speed of light when passes through a glass slab of refractive index of 1.5 will be o 2x108(10 power 8 ) m/s Oo 1000 m/s O 3x108(10 power 8 ) m/s​

Answer 1

Answer:

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