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JAMB - Physics (2015 - No. 23)
Radio waves belong to the class of wave whose velocity is about
34m/s
3 ×10
6
m/s
3 ×10
8
m/s
3 × 10
-8
m/s
解释
A radio waves is an electromagnetic waves which travels with a constant velocity of 3 × 10
8
m/s
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