.In today’s world, many people help others but they wish to be recognized well in the society and they wish to get something in return. Think and write in about 150 words what would you do and how would you contribute to the betterment of society without looking for monetary benefits or personal gains.
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Explanation:
Refractive index (μ) = c(speedoflightinvaccum)v(speedoflightinanymedium)c(speedoflightinvaccum)v(speedoflightinanymedium) Given μ = 2.42, c = 3 × 108. Putting the value in the above formula, we get ⇒ 2.42 = 3×108v3×108v ⇒ v = 3×1082.423×1082.42 ⇒ v = 1.23 × 108 m/s. Speed of light in diamond is 1.23 × 108 m/s % of speed in diamond = 1.23×1083×1081.23×1083×108x 1re00 = 0.41 x 100 = 41% Thus there is 41% decrease in the speed of light in diamond than in air.Read more on Sarthaks.com - https://www.sarthaks.com/951231/light-enters-diamond-from-refractive-index-diamond-what-py7dercentage-speed-light-diamondt5r5
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