A 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
Verified Correct Answer: C.
Physical Principles & Numerical Solution
No expanded working has been attached for this question yet. The verified answer is Option C.
Source: Myschool Past Questions Archive (Record #28391)