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Values of mu(r ) and in(0) are respectiv...

Values of `mu_(r )` and `in_(0)` are respectively `2 NA^(-2)` and `8C^(2)N^(-1)m^(-2)`, then speed of light is ….

A

`0.25`

B

`0.5`

C

`0.75`

D

`1.0`

Text Solution

Verified by Experts

The correct Answer is:
A
`c=(1)/(sqrt(mu_(0)in_(0)))=(1)/(sqrt(2xx8))=(1)/(4)`
`therefore c=0.25 ms^(-1)`
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