The invisible part of the spectrum of white light consists of
A
Infra-red and ultra-violet only
B
Infra-red, ultra-violet and blue only
C
red, orange and green only
D
red and violet only
E
yellow and indigo only
Verified Correct Answer: A.
Physical Principles & Numerical Solution
No expanded working has been attached for this question yet. The verified answer is Option A.
Source: Myschool Past Questions Archive (Record #42811)