Question
Download Solution PDFचाँदी के 100 g ब्लॉक का तापमान 40 °C बढ़ाने के लिए कितनी ऊष्मा स्थानांतरित की जानी चाहिए? (चाँदी की विशिष्ट ऊष्मा 236 Jkg-1K-1 है।)
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFसंकल्पना:
विशिष्ट ऊष्मा क्षमता:
- इसे इसके तापमान को एक डिग्री बदलने के लिए आवश्यक ऊष्मा की मात्रा के रूप में परिभाषित किया जा सकता है।
- गणितीय रूप से, आवश्यक ऊष्मा, Q = mcΔT,
- जहाँ, m = द्रव्यमान, c = विशिष्ट ऊष्मा क्षमता, ΔT = तापमान अंतर
- ऊष्मा को जूल (J) में मापा जा सकता है।
गणना:
दिया गया है: द्रव्यमान, m = 100 g = g 0.1 kg, तापमान अंतर, ΔT = 40ºC, सिल्वर की विशिष्ट ऊष्मा, c = 236 J/ kg K
आवश्यक ऊष्मा, Q = mcΔT
Q = 0.1 × 236 × 40
Q = 944 J
इसलिए, किसी दिए गए तापमान को बढ़ाने के लिए आवश्यक ऊर्जा 944 J है।
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