The critical angle of a medium for a specific wavelength if the medium has relative permittivity 3 and relative permeability `(4)/(3)` for this wavelength will be :

The critical angle for a medium is 60^(@) . The refractive index of the medium is

The critical angle of a prism is 30^(@) . The velocity of light in the medium is

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

The critical angle of a certain medium is 40.2^(@) . The speed of light in that medium is

An electromagnetic wave of frequency 5 GHz, is travelling in a medium whose relative electric permittivity and relative magnetic permeability both are 2. Its velocity in this medium is _______ xx 10^7 m//s

Electromagnetic wave is travelling in a medium of relative permittivity 2.25 and relative permeability 4. speed of the wave is found to be a xx 10^8 m//s what is the value of a ?