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A glass plate having an index of refraction is 1.66 is immersed in a certain alcohol.The surface of the glass is inclined at an angle of 44° with the vertical.When a horizontal ray in the glass strikes the interface,you observe that it is at the critical angle.What is the index of refraction of the alcohol?
NAFTA
The North American Free Trade Agreement, a treaty entered into by the United States, Canada, and Mexico; effective in 1994 to eliminate most tariffs on trade between these nations.
United States
A country in North America consisting of 50 states and a federal district, known for its significant influence in global politics, economy, and culture.
Canada
A country in North America known for its vast landscapes, multicultural communities, and as the second-largest country by area in the world.
Mexico
A country in North America, known for its rich cultural heritage, diverse landscapes, and significant role in the global economy.
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