Question

Q18. A circular metal loop is heated at point o as
shown in figure. In which order, the pins at
points P, Q and R fixed with the help of wax. fall if
points O, P, Q and R are equidistant from each
other?
a) Pin P and R fall simultaneously
b) Pin Q will fall First
c) Pin P R and Q fall at the same time
d) It will depend on the material of the loop​

Answer 1

Answer:

) The heat will flow in the direction from O to P and O to R.

ii) Firstly the pins at R and P will fail concurrently followed by the pin at Q.