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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 are we considering only volume in the case of cavity,but not area?

7 years ago by HARSHA DARBHASAYANAM

sir if we join the centres of cavity and the solid is the equation valid? The two points are bounded by diff media.

8 years ago by Aditi Gupta

Ans 1 ->

Yes; every linear dimension of an object changes in the same way when the temperature changes.

8 years ago by Aanandita Dhawan

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