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A Ray of Light in Water (Index N1)is Incident on Its

question 18

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A ray of light in water (index n1) is incident on its surface (with air) at the critical angle.Some oil (index n2) is now floated on the water.The angle between the ray in the oil and the normal is:


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US Exports

Goods or services produced within the United States and sold to buyers in other countries.

US Imports

Goods and services brought into the United States from other countries for sale, often impacted by trade policies, treaties, and economic conditions.

Weaker Peso

Refers to a decline in the value of the Mexican Peso relative to other currencies, which can affect international trade and economic conditions in Mexico.

Mexican Exports

Goods or services sold by Mexico to other countries, which contributes to the country's economy and trade balance.

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