Question 43
Dispersion of Light and ColoursThe visible part of light consists of the following colours:
- A.red, indigo, infra-red, violet, yellow, green and blue
- B.red, green, blue, violet, indigo, orange and yellow
- C.blue, ultra-violet, infra-red, red, yellow, indigo, violet, green and orange
- D.infra-red and ultra-violet
- E.red, orange, yellow, green, blue, indigo and infra-red.
Show the answer and explanation
Answer: B (red, green, blue, violet, indigo, orange and yellow)
Explanation
Visible light is the seven colours red, orange, yellow, green, blue, indigo and violet. Infra-red and ultra-violet are invisible.