Fluid Mechanics Viscosity Question 269
Question: A wooden block, with a coin placed on its top, floats in water as shown in fig. the distance 1 and h are shown there. After some time the coin falls into the water. Then
Options:
A) $ \ell $ decreases and h increases
B) $ \ell $ increases and h decreases
C) Both $ \ell $ and h increases
D) Both $ \ell $ and h decreases
Show Answer
Answer:
Correct Answer: D
Solution:
[d] As the block moves up with the fall of coil,$ l $ decreases, similarly h will also decrease because when the coin is in water, it displaces water equalto its own volume only
BETA
