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Brewster's law
tan θ_B = n
Where: n = number (n), θ_B = θ_B
Solved example
Given: theta_B = 30°
Find: n (number (n))
- Formula: tan(θ_B) = n
- Rearranged for n: n = tan(θ_B)
- Substitute the values: n = tan(30°)
- Result: n = 0.57735
Answer: n = 0.57735
Calculator
How to calculate Brewster's law
- Write down the formula: tan θ_B = n.
- Note the known values (θ_B).
- Substitute them and simplify to find n.
- Use the calculator above to solve for any letter.
Frequently asked questions
What is the formula for Brewster's law?
The formula is tan θ_B = n, where n = number (n), θ_B = θ_B.
What is Brewster's law when theta_B = 30°?
n = 0.57735. Substitute the values into tan θ_B = n and simplify.
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