Physics · 2021
JEE Main · 26 August 2021, Shift 1 · Q23
A soap bubble of radius 3 cm is formed inside the another soap bubble of radius 6 cm. The radius of an equivalent soap bubble which has the same…
A soap bubble of radius $\displaystyle 3$ cm is formed inside the another soap bubble of radius $\displaystyle 6$ cm. The radius of an equivalent soap bubble which has the same excess pressure as inside the smaller bubble with respect to the atmospheric pressure is \_\_\_\_ cm.
Official answer
2
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JEE Main 2021 Physics question, with the answer from NTA’s final answer key. Where our answers come from.