JEE Main 2025 — Thermal Properties of Matter Question with Solution
JEE Main 2025 (23 Jan Shift 1)
Question
A gun fires a lead bullet of temperature 300 K into a wooden block. The bullet having melting temperature of 600 K penetrates into the block and melts down. If the total heat required for the process is 625 J , then the mass of the bullet is grams.
(Latent heat of fusion of lead and specific heat capacity of lead
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This is a previous-year question from JEE Main 2025, 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.