n = sin i/sin r โ Class 12 Physics Formula | MscTutor
Formula deep page
n = sin i/sin r
n = sin i/sin r
This formula belongs to the chapter "Ray Optics" in Class 12 Physics. Use it after identifying the right variables, matching the chapter context, and writing the substitution clearly.
How to use it
Identify the quantity you need to find.
Check the related variables and units from the question.
Substitute values carefully into the formula.
Simplify step by step and write the final statement.
Worked cue
Open the related topic examples to see this formula in action.
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