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Question: Answered & Verified by Expert
The water on the surface of a lake is just about to freeze. The most likely temperature at the bottom of the lake is
PhysicsThermal Properties of MatterAP EAMCETAP EAMCET 2021 (25 Aug Shift 2)
Options:
  • A $4^{\circ} \mathrm{C}$
  • B $0^{\circ} \mathrm{C}$
  • C $-4^{\circ} \mathrm{C}$
  • D $-273^{\circ} \mathrm{C}$
Solution:
1440 Upvotes Verified Answer
The correct answer is: $4^{\circ} \mathrm{C}$
The water at the bottom of the lake will have maximum density. The density of water is maximum at $4^{\circ} \mathrm{C}$. Hence, the temperature at the bottom of the lake is $4^{\circ} \mathrm{C}$

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