Total Internal Reflection (Critical Angle)
Calculate Total Internal Reflection (Critical Angle) instantly with the exact formula and a worked example.
Total Internal Reflection (Critical Angle)
n₁
n₂
Critical angle, °
41.8103
More about: Total Internal Reflection (Critical Angle)
What it calculates
The “Total Internal Reflection (Critical Angle)” calculator computes Critical angle, ° from 2 parameters: n₁, n₂.
A standard physics formula used in educational and engineering tasks.
Example calculation
With parameters n₁ = 1.5, n₂ = 1 the result is 41.81.
How to use
- Enter n₁ and n₂ — each field above is adjustable with a slider.
- Critical angle, ° is calculated automatically as you type.
- Check the worked example below to see the formula applied to real numbers.
- Copy the result or bookmark this calculator.
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FAQ
How is Total Internal Reflection (Critical Angle) calculated?
The Total Internal Reflection (Critical Angle) calculator computes Critical angle, ° from n₁, n₂. Enter your values above and the exact formula is applied instantly; a worked example with real numbers is shown below.
Is the Total Internal Reflection (Critical Angle) calculator free?
Yes. It is completely free, needs no signup, runs entirely in your browser, and sends no data to any server.
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