a
X-rays
b
Gamma-rays
c
Ultra-violet rays
d
Infra-red rays
Explanation
Correct Option
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Discussions (5)

Adeolugbenga
9 years ago
Very simple..infra red rays are as a result of d heat content of a system .so dy r sensitive to temp change

akinyemist
6 years ago
The answer is infra-red rays which are detected by their sensation of heat. meanwhile heat is related to temperature difference.
on the contrary, the answer cannot be ultraviolet ray because it is the one that causes objects to fluorescence.

Phyleo
4 months ago
yh if you guys watch or notice in movies those guys who use Goggles you will see the person being displayed as a kind of red picture when viewed from the Goggle 

