Fluid Mechanics Viscosity Question 74
Question: A wooden block, with a coin placed on its top, floats in water as shown in fig. the distance l and h are shown there. After some time the coin falls into the water. Then [IIT-JEE (Screening) 2002]
Options:
A) l decreases and h increases
B) l increases and h decreases
C) Both l and h increase
D) Both land h decrease
Show Answer
Answer:
Correct Answer: D
Solution:
As the block moves up with the fall of coin, l decreases, similarly h will also decrease because when the coin is in water, it displaces water equal to its own volume only.
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