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The speed of em wave in the unit of 10^8...

The speed of em wave in the unit of `10^8m//s`, in a medium of dielectric constant 2.25 and relative permeablity 4 is:

A

`0.5 xx 10^(8)` m/s

B

`0.25 xx 10^(8)` m//s

C

`0.75 xx 10^(8)` m/s

D

`1 xx 10^(8)` m/s

Text Solution

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The correct Answer is:
D
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