Question

If a glass plate is placed over VIBGYOR colours, which colour will appear to be least raised?

• A. Violet
• B. Yellow
• C. Red
• D. Green

Answer 1

The correct option is C Red

Red colour has the longest wavelength.

$\therefore$ Red colour suffers least refraction than other colours.

$\therefore$ Red colour will apper to be least raised compared to other colours.