(A) : When a strip made of iron and copper is heated it bends with iron on concave side.
( R) : Coefficient of linear expansion of copper is more than that of iron.

Options

A. Both (A) and (R) are true and (R) is the correct explanation of (A)
B. Both (A) and (R) are true and (R) is not the correct explanation of (A)
C. (A) is true but (R) is false
D. Both (A) and (R) are false

Answer

A