If the surface tension of water-air interface is 0.073 N/m, the gauge pressure inside a rain drop of 1 mm diameter will be:

\[0.146\,\,\text{N/}{{\text{m}}^{\text{2}}}\]

\[0.73\,\,\text{N/}{{\text{m}}^{\text{2}}}\]

\[146\,\,\text{N/}{{\text{m}}^{\text{2}}}\]

\[292\,\,\text{N/}{{\text{m}}^{\text{2}}}\]

If the surface tension of water-air interface is 0.073 N/m, the gauge

1.	If the surface tension of water-air interface is 0.073 N/m, the gauge pressure inside a rain drop of 1 mm diameter will be:
A.	\[0.146\,\,\text{N/}{{\text{m}}^{\text{2}}}\]
B.	\[0.73\,\,\text{N/}{{\text{m}}^{\text{2}}}\]
C.	\[146\,\,\text{N/}{{\text{m}}^{\text{2}}}\]
D.	\[292\,\,\text{N/}{{\text{m}}^{\text{2}}}\]
Answer» E.

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If the surface tension of water-air interface is 0.073 N/m, the gauge pressure inside a rain drop of 1 mm diameter will be:

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