Class 11

Fluid Mechanics and Surface Tension question bank (Physics)

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Q1.

Which of the following quantities is expressed as force per unit area?

(A)
Work
(B)
Pressure
(C)
Volume
(D)
Area
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Q2.

$A$ siphon in use is demonstrated in the following figure. The density of the liquid flowing in the siphon is $1.5 \text{ g/cm}^3$. The pressure difference between the points $P$ and $S$ will be

figure

(A)
$10^5 \text{ N/m}^2$
(B)
$2 \times 10^5 \text{ N/m}^2$
(C)
Zero
(D)
Infinity
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