How is the answer c
Thermal capacity depends on 2 things:
1. mass of object
2. Type of material
we will not use number 2 as all are made of copper..however, we will use point 1..
a tube is hollow, while a rod is not, therefore a rod is heavier, ie greater mass..
therefore, the answer should be A or C..and since C is heavier,
C is the correct answer..
got that Ari?