UNIT VIII: Heat and Thermodynamics - Online Test
Q1. A distant star emits radiation with maximum intensity at 350 nm. The temperature of the star is
Answer : Option A
Explaination / Solution:
No Explaination.
Q2. Identify the state variables given here?
Answer : Option B
Explaination / Solution:
No Explaination.
Q3. In an isochoric process, we have
Answer : Option A
Explaination / Solution:
No Explaination.
Q4. The efficiency of a heat engine working between the freezing point and boiling point of water is
Answer : Option B
Explaination / Solution:
No Explaination.
Q5. An ideal refrigerator has a freezer at temperature −12°C. The coefficient of performance of the engine is 5. The temperature of the air (to which the heat ejected) is
Answer : Option C
Explaination / Solution:
No Explaination.
