JEE Main 2004 — Thermal Properties of Matter Question with Solution
JEE Main 2004
Question
The thermo emf of a thermocouple varies with the temperature of the hot junction as in volts where the ratio is . If the cold junction is kept at , then the neutral temperature is
Choose an option
Show full solutionCorrect option: D
Correct answer
Dno neutral temperature is possible for this thermocouple.
Step-by-step explanation
At neutral temperature
Now (given)
Now .
So,
But mathematically .
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This is a previous-year question from JEE Main 2004, covering the Thermal Properties of Matter chapter of Physics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.