DP Physics (first assessment 2025)

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Question 21M.1A.SL.TZ2.12

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Date May 2021 Marks available [Maximum mark: 1] Reference code 21M.1A.SL.TZ2.12
Level SL Paper 1A Time zone TZ2
Command term Question number 12 Adapted from N/A
12.
[Maximum mark: 1]
21M.1A.SL.TZ2.12

A piece of metal at a temperature of 100 °C is dropped into an equal mass of water at a temperature of 15 °C in a container of negligible mass. The specific heat capacity of water is four times that of the metal. What is the final temperature of the mixture?

A.  83 °C

B.  57 °C

C.  45 °C

D.  32 °C

[1]

Markscheme

D

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