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-2)
6.
[NCERT Pg. 268]
(2) 1.24 x 10-4 m2
(1) 4.96 * 10 m2
(3) 3.72 10 m2
(4) 1.03 x 104 m2
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Answer:
3.72 104 m2
Explanation:
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