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Standard XII
Physics
Polarization Vector
Question

A dielectric in the form of a sphere is introduced into a homogeneous electric field. A,B and C are three points as shown in Fig. Then
159057_2f7296d6b4884da4bcfab8ad04ad9271.png
  1. Intensity at A increases while that at B and C decreases
  2. Intensity at A and B decreases whereas intensity at C increases
  3. Intensity at A and C increases and that at B decreases
  4. Intensity at A,B and C decreases

A
Intensity at A,B and C decreases
B
Intensity at A increases while that at B and C decreases
C
Intensity at A and B decreases whereas intensity at C increases
D
Intensity at A and C increases and that at B decreases
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Solution
Verified by Toppr

The dielectric gets polarized as shown. Induced charges will also contribute in electric field.
So, intensity at point A and C will increase and at B intensity will decrease.
1575532_159057_ans_dba62f7f6b7d41b98b6521a5561c1523.PNG

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