Find the ratio of permeability of the two media when the wave is incident on the boundary at 45 degree and reflected by the boundary at 60 degree?

1:‚Äö√Ñ√∂‚àö‚Ä†‚àö‚àÇ2

‚Äö√Ñ√∂‚àö‚Ä†‚àö‚àÇ3:1

1:‚Äö√Ñ√∂‚àö‚Ä†‚àö‚àÇ3

Find the ratio of permeability of the two media when the wave is incid

1.	Find the ratio of permeability of the two media when the wave is incident on the boundary at 45 degree and reflected by the boundary at 60 degree?
A.	1:1
B.	‚Äö√Ñ√∂‚àö‚Ä†‚àö‚àÇ3:1
C.	1:‚Äö√Ñ√∂‚àö‚Ä†‚àö‚àÇ3
D.	1:‚Äö√Ñ√∂‚àö‚Ä†‚àö‚àÇ2
Answer» D. 1:‚Äö√Ñ√∂‚àö‚Ä†‚àö‚àÇ2