Photoelectric EffectHard
Question
The excess pressure inside the first soap bubble is three times that inside the second bubble then, the ratio of the first to the second bubble will be:
Options
A.1:27
B.3:1
C.1:3
D.1:9
Solution
Excess pressure in first soap bubble,
p1 =
∴ excess pressure inside second bubble,
p2 =
but p1 = 3p2 ⇒
so,ratio of their volumes is,
p1 =
∴ excess pressure inside second bubble,
p2 =
but p1 = 3p2 ⇒
so,ratio of their volumes is,
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