Properties of Matter 4 Question 8
10. A closed compartment containing gas is moving with some acceleration in horizontal direction. Neglect effect of gravity. Then, the pressure in the compartment is
$(1999,2 M)$
(a) same everywhere
(b) lower in front side
(c) lower in rear side
(d) lower in upper side
Show Answer
Answer:
Correct Answer: 10. (d)
Solution:
- Vertical force due to surface tension,
$$ F _v=F \sin \theta=(T 2 \pi r)(r / R)=\frac{2 \pi r^{2} T}{R} $$
$\therefore$ Correct option is (c).
