Question 38
Dispersion of Light and ColoursA spectrum of sunlight is said to be impure when
- A.it is made of only three colours
- B.it has no red colour in it
- C.the different colours in it overlap
- D.it does not contain white light.
Show the answer and explanation
Answer: C (the different colours in it overlap)
Explanation
In an impure spectrum the colours overlap instead of being separated cleanly.