Question

Critical angle of light passing from a glass to water is minimum for –

• A. Redcolour
• B. Green colour
• C. Yellowcolour
• D. Violet colour

Answer 1

Answer: (D)

Violet colour

Answer 2

µ = $\frac { 1 } { \sin C }$ Ž µ µ $\frac { 1 } { \mathrm { C } }$

Q µ_V > µ_R Ž C_V < C_R