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QPage 46: Q22: HC Verma: Concepts of Physics - Volume 2 Calorimetry Page 46: Q22 Solution: The temperature of an object is observed to rise in a period.…

⚠️ Common Exam Traps & Conceptual Pitfalls

Students often equate any temperature increase with heat being supplied, overlooking that work can also raise temperature. Remember the first law: ΔU = Q + W, so a rise in temperature may result from heat, work, or both.

The temperature of an object is observed to rise in a period. In this period:

Multiple Choice Options

  • A heat is certainly supplied to it
  • B heat is certainly not supplied to it
  • C heat may have been supplied to it
  • D work may have been done on it

Step-by-Step Verified Solution

**Answer:** c), d) are possible. **Step-by-Step Explanation:** Temperature may rise due to heat supplied or work done on the object.

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