DP Physics (first assessment 2025)

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Question 21M.1A.SL.TZ1.11

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Date May 2021 Marks available [Maximum mark: 1] Reference code 21M.1A.SL.TZ1.11
Level SL Paper 1A Time zone TZ1
Command term Question number 11 Adapted from N/A
11.
[Maximum mark: 1]
21M.1A.SL.TZ1.11

When 40 kJ of energy is transferred to a quantity of a liquid substance, its temperature increases by 20 K. When 600 kJ of energy is transferred to the same quantity of the liquid at its boiling temperature, it vaporizes completely at constant temperature. What is

specific latent heat of vaporizationspecific heat capacity of the liquid

for this substance?

A. 15 K−1

B. 15 K

C. 300 K−1

D. 300 K

[1]

Markscheme

D

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