An electric dipole is placed along the X− axis at the origin O. A vpoint P is at a distance of 20 cm from this origin such that OP makes an angle π3 with the X-axis. If electric field at P makes an angle θ with X-axis, the value of θ is
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a
π3
b
π3+tan−132
c
3 π2
d
tan−132
answer is B.
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Detailed Solution
From tan α =12 tan θ, we get tan (θ−π/3)=12 tan π3=32 θ−π3=tan−132, ∴ θ=π3+tan−132