Question

Inside a solid metal cube there is a spherical
cavity. If the cube is heated, then volume of
(1) Cube as well as cavity decreases
(2) Cube as well as cavity increases
(3) Cube increases but of cavity decreases
(4) Cube decreases but of cavity increases​

Answer 1

Answer:

2) Cube as well as cavity increases

Answer 2

Answer:

first point is right answer