Discussion
A field crossing from a dielectric of low permittivity into one of high permittivity is bent
Answer: B
The tangential field is preserved while the normal field falls in the denser medium, so the resultant tilts further from the normal. The relation \( \tan\theta_1/\tan\theta_2 = \epsilon_1/\epsilon_2 \) is the electrostatic analogue of Snell's law.
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