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JEE Main Physics question

PhysicsSystems of Particles and Rotational MotionJEE Main

A body weighs 8 g when placed in one pan and 18 g when placed on the other pan of a false balance. If the beam is horizontal when both the pans are empty, the true weight of the body is

Answer: (B)

Solution

For a false (unequal-arm) balance, true weight = √(W₁W₂) = √(8×18) = √144 = 12 g.

Question ID VK-153033