Question

1 A beaker is completely filled with water at 4°C.It will overflow-
(a) when heated but not when cooled (b) when cooled but not when heated
(c) both When heated or cooled (d) neither when heated nor when cooled
2 If a bimetallic strip is heated, it will
(a) bend towards the metal with lower thermal expansion coefficient
(b) bend towards the metal with higher thermal expansion coefficient
(c) not bend at all (d) twist itself into a helix
11th temnerature is given by the formula​

Answer 1

Answer:

(1)

option c- both when heated or cooled

(2)

option a- bend towards the metal with lower thermal expansion cofficient