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NEET 2022 (Phase 1) · Excess Pressure: Drops & Bubbles

Excess Pressure: Drops & Bubbles question from NEET 2022 (Phase 1)

Q40NEET 2022 · PHASE 1Easy

Excess Pressure: Drops & Bubbles

If a soap bubble expands, the pressure inside the bubble

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Answer: (a)

  1. Pressure inside =P0+4TR= P_0 + \frac{4T}{R}.
  2. As the bubble expands, RR increases, so 4TR\frac{4T}{R} decreases.
  3. So the answer is (a) decreases.
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