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High School/JEE/NEET/IPhO Physics | 17-19 Yrs

Basic Tools

Mechanics

Heat & Thermodynamics

Oscillation & Waves

Properties of Matter

Gravitation

Electrostatics

Magnetic Effects

Optics

Modern Physics

Semiconductors

Communication Systems

why is P(air) has (+)2T/R and not (-)2T/R

3 years ago by AMRITA GHOSH

Sir in step 1 why you are adding 2T/r shouldn't we subtract 2T/r as pressure in drop is excess by 2T/r compared to air

7 years ago by madhav mishra

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