(a) Less than 40 N/m2 (b) Greater than 40 N/m2 (c) Less than 20 N/m2 (d) Greater than 20 N/m2 Ans. b (3)
then the excess of pressure inside a soap bubble of diameter 6 mm over the atmospheric pressure will be
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- then the excess of pressure inside a soap bubble of diameter 6 mm over the atmospheric pressure will be