थर्मस फ्लास्क की आन्तरिक दीवारें चमकीली होती है ? - Are the inner walls of the thermos flask bright? - Thermos Flask Ki Antrik Deewarein chamkili Hoti Hai ? General Science in hindi, Physics Vikiran Dwara Hone Wali ushma Hani Ko Rokne Ke Liye question answers in hindi pdf Chalan Dwara Hone Wali ushma Hani Ko Rokne Ke Liye questions in hindi, Know About Sanwahan Dwara Hone Wali ushma Hani Ko Rokne Ke Liye General Science online test General Science notes in hindi quiz book Uparyukt Me Se Koi Nahin
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Thermas flask me hum koi liguid fill karte hain aur liguid se covection ke through hi heat loss hota hain. To mere khayal se andar ki chamkeeli satah convection ko hi rokti hogi.