Calculate the energy stored in a bubble of radius 4cm.......
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Diameter of soap bubble = 4 cm = 4 × 10-2m
Radius of soap bubble = 2 × 10-2m
Increase in surface Area = 2 × 4πR2
(∵ 2, a bubble has 2 surfaces)
Increase in Surface Area = 2 × 4 π × (2 X 10-2)2
Radius of soap bubble = 2 × 10-2m
Increase in surface Area = 2 × 4πR2
(∵ 2, a bubble has 2 surfaces)
Increase in Surface Area = 2 × 4 π × (2 X 10-2)2
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