. A ray of light from a denser medium strikes a rarer medium. The reflected and refracted raysmake an angle of 90° with each other. Theangles of reflection and refraction are r and r'.The critical angle would be1) sin-'(tan r) 2) tan-(sin r)3) sin-'(tan rl) 4) tan-(sin rl)1conting

. A ray of light from a denser medium strikes a rarer medium. The re

1.	. A ray of light from a denser medium strikes a rarer medium. The reflected and refracted raysmake an angle of 90° with each other. Theangles of reflection and refraction are r and r'.The critical angle would be1) sin-'(tan r) 2) tan-(sin r)3) sin-'(tan rl) 4) tan-(sin rl)1conting
Answer» OPTION B is RIGHT tan inverse SIN R

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. A ray of light from a denser medium strikes a rarer medium. The reflected and refracted raysmake an angle of 90° with each other. Theangles of reflection and refraction are r and r'.The critical angle would be1) sin-'(tan r) 2) tan-(sin r)3) sin-'(tan rl) 4) tan-(sin rl)1conting​

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. A ray of light from a denser medium strikes a rarer medium. The reflected and refracted raysmake an angle of 90° with each other. Theangles of reflection and refraction are r and r'.The critical angle would be1) sin-'(tan r) 2) tan-(sin r)3) sin-'(tan rl) 4) tan-(sin rl)1conting