Properties Of Solids And Liquids Question 320
Question: If the radius of a soap bubble is four times that of another, then the ratio of their pressures will be [AIIMS 2000]
Options:
A) 1 : 4
B) 4 : 1
C) 16 : 1
D) 1 : 16
Show Answer
Answer:
Correct Answer: A
Solution:
$ \Delta P\propto \frac{1}{r}\Rightarrow \frac{\Delta P _{1}}{\Delta P _{2}}=\frac{r _{2}}{r _{1}}=\frac{r}{4r}=\frac{1}{4} $
