Question
Physics Question on mechanical properties of fluid
An ice block contains a glass ball. When the ice melts within the water containing vessel, the level of water:
A
rises
B
falls
C
unchanged
D
first rises and then falls
Answer
falls
Explanation
Solution
When ice block contains a glass ball, it displaces some amount of water. But when the ice melts, then glass ball displaces amount of water less than its weight and so less from previous case. Hence, water level falls.