Question

When light splits after passing through a glass prism into seven colours, the phenomenon is called:

• A. reflection of light
• B. refraction of light
• C. dispersion of light
• D. specturm

Answer 1

Answer: (C)

Correct answers is (c)

Dispersion is the splitting up of white light into seven colors on passing through a glass prism. When white light is passed through a prism, a band of seven colors are formed also known as spectrum. The seven colors in the spectrum are red, orange, yellow, green, blue, indigo and violet respectively.