Q. A block of wood weighs $4N$ in air and $3N$ when immersed in a liquid. The buoyant force in newton is
A) Zero
B) 1
C) 3/4
D) 4/3
Explanation
(b) Buoyant force = weight of the body in air – weight of the body in liquid
$= 4 - 3 = 1\ N$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.