Physics > 2017 > 50
WASSCE
| Radio wave | Micro wave | Infrared wave | P | Q | R | Gamma ray |
The table above shows the components of electromagnetic spectrum in order of increasing frequency. Which of the following sets correctly identifies P, Q and R respectively?
A.
Visible, ultraviolet, X-ray
B.
X-ray, visible, ultraviolet
C.
Ultraviolet, visible, X-ray
D.
X-ray, ultraviolet, visible
Answer: A
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