Physics · Thermal Properties of Matter
कोई पिंड ऊष्मा विकिरण को सबसे अधिक प्रभावी ढंग से अवशोषित करता है जब उसकी सतह हो: ________।
- 1सफेद और चिकनी
- 2सफेद और खुरदरी
- 3काली और चिकनी
- 4काली और खुरदरी✓
सही उत्तर देखें
काली और खुरदरी
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