Read the given statements and mark the correct option. Statement … - Vidyadip

MCQ

Read the given statements and mark the correct option.
Statement 1: While fixing a metal rim on a wooden wheel of a cart, the size of the metal rim is kept slightly smaller than that of the wooden wheel.
Statement 2: Metals expand on heating and contract on cooling.

✓
Both statements $1$ and $2$ are true and statement $2$ is the correct explanation of statement $1.$
B
Both statements $1$ and $2$ are true but statement $2$ is not the correct explanation of statement $1.$
C
Statement $1$ is true and statement $2$ is false.
D
Both statements $1$ and $2$ are false.

✓

Answer

Correct option: A.

Both statements $1$ and $2$ are true and statement $2$ is the correct explanation of statement $1.$

While fixing the metal rim, it is heated. It becomes slightly larger in size and can be fixed into the wooden wheel. On cooling, it contracts and fits tightly on to the wheel.

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