Light Having a Speed in Vacuum of 3

question 50

Multiple Choice

Light having a speed in vacuum of 3.0 × 10⁸ m/s enters a liquid of refractive index 2.0.In this liquid,its speed will be

• A)6.0 × 10⁸ m/s.
• B)3.0 × 10⁸ m/s.
• C)1.5 × 10⁸ m/s.
• D)0.75 × 10⁸ m/s.
• E)0.67 × 10⁸ m/s.

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The act of following or chasing with the goal of catching or achieving something.

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A system in which public policies, institutional practices, cultural representations, and other norms work in various, often reinforcing ways to perpetuate racial group inequity.

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Discrimination embedded within the policies, practices, and economic and political structures of a society, disproportionately affecting minority groups.

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