Ncert Exercises & Solutions

Which of the following ratios, express pressure?

(a)	force/area
(b)	energy/volume
(c)	energy/area
(d)	force/volume

Choose the correct option:

1.	(a), (c)
2.	(a), (d)
3.	(b), (d)
4.	(a), (b)

Hint: Find the unit of pressure in given options.

Step 1: Modify the formula of pressure.

$\begin{array}{l} We know that pressure = \frac{Force}{Area} \\ Pressure = \frac{Force \times Distance}{Area \times Distance} = \frac{Work}{Volume} = \frac{Energy}{Volume} \end{array}$

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