Question

Different amounts of thermal energy are added to each of three isolated samples A,B and C of lead. If the energy transfers are ordered as QC>QB>QA and each sample undergoes the same temperature change, which sample has the largest mass?

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The answer depends on the exact inital temperatures

Sample A

Sample C

The specific heats are identical

Sample B

Answer 1

The heat energy transferred are given by,

All are being lead sample, their specific heats are same, and temperature change is also same as stated by the problem.

As, , evidently,

Hence sample C has the highest mass.