Thermodynamics – Change in Internal Energy I NEET I PYQ - 2019
Автор: Easy Physics by JS
Загружено: 2026-01-30
Просмотров: 13
Описание:
In this video, we solve an important numerical based on the First Law of Thermodynamics involving phase change (water to steam).
Given:
• Mass of water = 1 g
• Temperature = 100°C (constant)
• Initial volume = 1 cm³
• Final volume of steam = 1671 cm³
• Latent heat of vaporisation = 2256 J/g
• Atmospheric pressure = 1 × 10⁵ Pa
📌 Concepts Covered:
First law of thermodynamics
Latent heat of vaporisation
Work done during expansion
Internal energy change
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