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Write the formula for the velocity of li...

Write the formula for the velocity of light in
a material medium of relative permitivity `in_r` and relative magnetic permeability `mu_r`.

Text Solution

Verified by Experts

`v=1/(sqrt(mu_0 mu_r in_0 in_r))=1/(sqrt(mu_r in_r))`
`[ :'c=(1)/(sqrt(mu_(0)in_(0)))]`
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