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Robert Thomas

In the adjacent figure,find the refractive index of the rarer,sin 45°=1/√2​

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123 cents HannaLaur
Answer:

Petroleum is present in abundant quantity in the some regions. The people over there are engaged in petroleum factories and industries and it is mainly the source of income for most of the people. Hence, Petroleum provides most of the economic wealth to the people of some regions. So it is considered as Liquid gold because of its economic value and its use in economic activities.

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