How do I solve refraction of light problems step by step?
Start from the definition: refraction of light refers to the bending of light as it passes from one transparent medium into another. Then apply Snell's law n₁ sin i = n₂ sin r and track whether the ray bends toward or away from the normal. Follow that same order every time and most questions on this topic become mechanical rather than intimidating.
How to approach it step by step
Most learners lose marks on refraction of light not because the concept is hard, but because the steps get done out of order. This is exactly where a live 1:1 session helps: LetMeTeach solves one problem visually with you, then hands you a similar one and checks each step as you work, adapting the difficulty to how you answer.
Worked example
Light entering glass from air bends toward the normal because glass is optically denser.
The mistake most learners make
Measuring angles from the surface instead of from the normal.
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