A-Level
EDEXCEL
Physics
January 2020
10 Marks
QP-202001-Physics-U4 · Question 17
Question (excerpt):
18 17 A student is designing a night light for a child. When switched on, the night light should come on brightly and its intensity should then gradually decrease to zero. The time taken for the light…
18 17 A student is designing a night light for a child. When switched on, the night light should come on brightly and its intensity should then gradually decrease to zero. The time taken for the light…
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