Question

Which of the following is correct -

• A. Refractive index of all media increases with increase in wavelength of light
• B. Critical angle for red color is more than critical angle for violet
• C. Color of light changes in refraction
• D. Image by thin prism is always real

Answer 1

Answer: (B)

Critical angle for red color is more than critical angle for violet

Answer 2

Conceptual.