Question

2.
The excess pressure inside a soap bubble is equal
to an oil column of height 3 mm. The total surface
area of the soap bubble in contact with air will be
(given, density of oil = 0.9 g/cm3, surface tension
of soap solution = 0.03 N/m and g = 10 ms-2)
[NCERT Pg. 268]
(1) 4.96 x 10-4 m2 (2) 1.24 x 10-4 m2
(3) 3.72 x 10-4 m2
(4) 1.03 * 10-4 m2​

Answer 1

Answer:

The excess pressure inside a soap bubble is equal to an oil column of height 3 mm. The total surface area of the soap bubble in contact with air will be given, density of oil = 0.9 g/cm, surface tension of soap solution = 0.03 N/m and g = 10 ms se answer: 4.96 x 104 m2 1.24 x 10-4 m2 3.72 104 m2 1.03 x 104 m2.

Explanation:

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Answered By Drushti Chaplot

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