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Question: Answered & Verified by Expert
Physical processes are sometimes described visually by lines. Only the following can cross -
PhysicsElectrostaticsKVPYKVPY 2016 (SB/SX)
Options:
  • A Streamlines in fluid flow
  • B Lines of forces in electrostatics
  • C Rays in geometrical optics
  • D Lines of force in magnetism
Solution:
2316 Upvotes Verified Answer
The correct answer is: Rays in geometrical optics
$\mathrm{A} \Rightarrow$ If stream lines intersect then there will be two direction of fluid flow at a point, which is absurd.
$\mathrm{B} \Rightarrow$ Lines of forces in electrostatic never intersect
$\mathrm{D} \Rightarrow$ Line of force in magnetism never intersect each other.

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