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Heat & Thermodynamics Basics
JEE Physics • 10 questions • Free on ExamBattle
Practice Questions
Q1
The amount of heat required to raise the temperature of 1 kg of water by 1°C is:
- A. 4200 J
- B. 2100 J
- C. 420 J
- D. 42000 J
Q2
During phase change (e.g., melting), the temperature of the substance:
- A. Increases gradually
- B. Remains constant
- C. Decreases
- D. Fluctuates
Q3
The coefficient of linear expansion has the unit:
- A. °C
- B. /°C (or K⁻¹)
- C. m/°C
- D. No unit
Q4
Which mode of heat transfer does not require a medium?
- A. Conduction
- B. Radiation
- C. Convection
- D. All require a medium
Q5
For an ideal gas, the internal energy depends only on:
- A. Pressure
- B. Temperature
- C. Volume
- D. Pressure and volume
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