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Why in cold countries windows have two glass panes with a thin layerOf air between them? - Physics

Short Note

Why in cold countries windows have two glass panes with a thin layer
Of air between them?

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Solution

In cold countries, windows are provided with two glass panes because in between these two glass panes, a thin layer of air is present: air being a bad conductor obstructs the conduction of heat from the room to outside.

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APPEARS IN

Frank Class 9 Physics ICSE
Chapter 5 Heat
Exercise | Q 49.1 | Page 230
Frank Class 9 Physics ICSE
Chapter 5 Heat
Transmission of Heat | Q 15 | Page 226
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