Two spheres A and B are made of the same material and have the same radius. Sphere A is hollow and sphere B is solid. Both the spheres are heated to the same temperature. Which of the following is correct ?

Question

Two spheres A and B are made of the same material and have the same radius. Sphere A is hollow and sphere B is solid. Both the spheres are heated to the same temperature. Which of the following is correct ? (A) A expands more than B (B) A expands less than B (C) Both the spheres expand equally (D) Data is insufficient

Tardigrade Admin · Accepted Answer

A cavity in a material expands in exactly the same way as if the cavity were filled with material. Thus, both spheres will expand by the same amount.

Q. Two spheres $A$ and $B$ are made of the same material and have the same radius. Sphere $A$ is hollow and sphere $B$ is solid. Both the spheres are heated to the same temperature. Which of the following is correct ?

$A$ expands more than $B$

$A$ expands less than $B$

Both the spheres expand equally

Data is insufficient

A cavity in a material expands in exactly the same way as if the cavity were filled with material. Thus, both spheres will expand by the same amount.

Q. Two spheres A and B are made of the same material and have the same radius. Sphere A is hollow and sphere B is solid. Both the spheres are heated to the same temperature. Which of the following is correct ?

A expands more than B

A expands less than B

Both the spheres expand equally

Data is insufficient

A cavity in a material expands in exactly the same way as if the cavity were filled with material. Thus, both spheres will expand by the same amount.

Q. Two spheres $A$ and $B$ are made of the same material and have the same radius. Sphere $A$ is hollow and sphere $B$ is solid. Both the spheres are heated to the same temperature. Which of the following is correct ?

$A$ expands more than $B$

$A$ expands less than $B$