A liquid has volume 50 cm³ at 10°C. Find its volume at 100°C if cubical expansion coefficient β=7×10⁻⁴ °C⁻¹.
Physics · Mixed Chapter
JEE Main Practice

Question

A liquid has volume 50 cm³ at 10°C. Find its volume at 100°C if cubical expansion coefficient β=7×10⁻⁴ °C⁻¹.

G1 Physics · Accepted Answer

Step 1: Volume expansion law V=V₀(1+βΔT). Step 2: ΔT=100−10=90°C. Step 3: V=50[1+(7×10⁻⁴)×90]=50(1.063)=53.15 cm³.