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

(1999,2M)

(a) same everywhere

(b) lower in front side

(c) lower in rear side

(d) lower in upper side

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Answer:

Correct Answer: 10. (d)

Solution:

  1. Vertical force due to surface tension,

Fv=Fsinθ=(T2πr)(r/R)=2πr2TR

Correct option is (c).



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