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Prism (Optics)
n = sin((A + D_m)/2) / sin(A/2)
Where: A = area (m²) / amplitude, Dₘ = Dₘ, n = number (n)
Solved example
Given: A = 30°, D_m = 45°
Find: n (number (n))
- Formula: n = sin(A/2 + Dₘ/2)/sin(A/2)
- Substitute the values: n = sin(30°/2 + 45°/2)/sin(30°/2)
- Result: n = 2.352074
Answer: n = 2.352074
Calculator
How to calculate Prism (Optics)
- Write down the formula: n = sin((A + D_m)/2) / sin(A/2).
- Note the known values (A, Dₘ).
- Substitute them and simplify to find n.
- Use the calculator above to solve for any letter.
Frequently asked questions
What is the formula for Prism (Optics)?
The formula is n = sin((A + D_m)/2) / sin(A/2), where A = area (m²) / amplitude, Dₘ = Dₘ, n = number (n).
What is Prism (Optics) when A = 30°, D_m = 45°?
n = 2.352074. Substitute the values into n = sin((A + D_m)/2) / sin(A/2) and simplify.
All Optics formulas
Optics →Mirror formulaLens formulaMagnification (mirror)Magnification (lens)Power of lensLens maker's formulaLenses in contactSnell's lawCritical angleYoung's double slit — fringe widthPath difference (bright fringe)Single slit minimaResolving power (telescope)Malus' lawBrewster's lawMicroscope magnificationTelescope magnification