A. Red, orange and yellow only
B. Infra-red, ultraviolet and blue only
C. Indigo and green only
D. Violet and red only
E. Ultraviolet and infra-red only
Correct Answer:
Option E – Ultraviolet and infra-red only
A. Red, orange and yellow only
B. Infra-red, ultraviolet and blue only
C. Indigo and green only
D. Violet and red only
E. Ultraviolet and infra-red only
Correct Answer:
Option E – Ultraviolet and infra-red only
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