Physics - Heat & Thermo Question with Solution | TestHub
PhysicsHeat & ThermoThermodynamics Laws & Specific Heats of GasesMedium2 minQB
PhysicsMediumstatement
Statement I: During a climb, the mountaineer's body heats up from the chemical energy of the food he eats.
Statement II: During the descent, the main source of the body's heating is the gravitational potential energy lost.
Options:
Answer:
A
Solution:
Climbing uses metabolic energy for work against gravity and for heat. On the descent the gravitational potential energy is dissipated as heat in the body through muscle braking. The sources differ.
Subject:PhysicsTopic:Heat & ThermoSubtopic:Thermodynamics Laws & Specific Heats of Gases
⏱ 2mℹ️ Source: QB
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