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Question: Answered & Verified by Expert
Consider a vector \( \vec{F}=4 \hat{i}-3 \hat{j} . \) Another vector that is perpendicular to \( \vec{F} \) is
PhysicsMathematics in PhysicsJEE Main
Options:
  • A \( 4 \hat{i}+3 \hat{j} \)
  • B \( 6 \hat{i} \)
  • C \( 7 \hat{k} \)
  • D \( 3 \hat{i}-4 \hat{j} \)
Solution:
2842 Upvotes Verified Answer
The correct answer is: \( 7 \hat{k} \)

Force F lies in the x-y  plane so a vector along z-axis will be perpendicular to F.

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