Question
Question: A cylindrical metal rod of length \(L_{0}\) is shaped into a ring with a small gap as shown. On heat...
A cylindrical metal rod of length L0 is shaped into a ring with a small gap as shown. On heating the system

A
x decreases, r and d increase
B
x and r increase, d decreases
C
x, r and d all increase
D
Data insufficient to arrive at a conclusion
Answer
x, r and d all increase
Explanation
Solution
On heating the system; x, r, d all increases, since the expansion of isotropic solids is similar to true photographic enlargement