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| 1. |
Calculate the energy stored in a bubble of radius 4cm....... |
| Answer» R of SOAP bubble = 4 cm = 4 × 10-2mRadius 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 | |