Question

Railway tracks expand in winter and contract in summer.

• A. True
• B. False

Answer 1

The correct option is B False

1. Thermal expansion: Thermal expansion is the tendency of objects to change in shape, volume and area due to a temperature change.
2. Substances expand on heating and contract on cooling.
3. The gap between railway tracks is to accommodate the expansion of heating and contract on cooling.
4. Railway tracks expand in summer and contract in winter.

Hence, the given statement is false.