Polystyrene has a relative permittivity of 2.7. If the wave is inciden – McqOptions

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1.	Polystyrene has a relative permittivity of 2.7. If the wave is incident at an angle Œ∏i of 30¬∞ from air into polystyrene, the angle of transmission will be nearly
A.	0.2¬∞
B.	2¬∞
C.	18¬∞
D.	48¬∞
Answer» D. 48¬∞

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