JEE Main 2026 Physics question
The increase in the pressure required to decrease the volume (ΔV) of water is 6.3 × 10⁷ N/m². The percentage decrease in the volume is . (Bulk modulus of water = 2.1 × 10⁹ N/m².)
Answer: (B)
Solution
ΔV/V = ΔP/K = 6.3×10⁷/2.1×10⁹ = 0.03 = 3%.