The length of a metal rod at 0°C is 0.5m. When it is heated, its length increases by 2.7 mm. The final temperature of the rod is (coefficient of linear expansion of the metal = 90 × 106/°……
A. 20°C
B. 30°C
C. 40°C
D. 60°C
Answer:D
The length of a metal rod at 0°C is 0.5m. When it is heated, its length increases by 2.7 mm. The final temperature of the rod is (coefficient of linear expansion of the metal = 90 × 106/°……
A. 20°C B. 30°C C. 40°C D. 60°C