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Why is a newly made quit warmer than an old one? - Physics

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प्रश्न

Why is a newly made quit warmer than an old one?

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उत्तर

A newly made quilt is warmer than an old one because the cotton in the old quilt gets compressed and very little air will remain trapped in it, hence heat insulation is quite poor.

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अध्याय 5: Heat - Exercise [पृष्ठ २३०]

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फ्रैंक Physics [English] Class 9 ICSE
अध्याय 5 Heat
Exercise | Q 23 | पृष्ठ २३०
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