DP Physics (first assessment 2025)

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Question EXE.1A.SL.TZ0.5

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Date Example questions Example questions Marks available [Maximum mark: 1] Reference code EXE.1A.SL.TZ0.5
Level SL Paper 1A Time zone TZ0
Command term Question number 5 Adapted from N/A
5.
[Maximum mark: 1]
EXE.1A.SL.TZ0.5

Window 1 is made of a single glass pane of thickness d. Window 2 is made of two glass panes of thickness d each, separated by a thin air space. Both windows have the same surface area and separate air masses of the same temperature difference.

Thermal energy transferred in unit time through window 1 is Q. The thermal energy transferred in unit time through window 2 is


A.  less than Q2

B.  equal to Q2

C.  between Q2 and Q

D.  equal to 2Q

[1]

Markscheme

A

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