Question

when a beam of light falls on a glass prism, then which colour of light will devaite least ??​

Answer 1

Answer:

Each beam of light, with its own particular wavelength (or color), is slowed differently by the glass. Since violet light has a shorter wavelength, it is slowed more than the longer wavelengths of red light. Consequently, violet light is bent the most while red light is bent the least.

Explanation:

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Answer 2

Answer:

red colour of light will deviate least