Member for
3 years 6 monthsAge: 13-18
Level: 11
Language: English
(en)
ID: 1801155
17/01/2022
Country code: ID
Country: Indonesia
Main content: Physics (1678867)
From worksheet author:
Wavelength and frequency
Other contents:
Waves
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![Wavelength and frequency Wavelength and frequency](/sites/default/files/styles/worksheet/public/def_files/2022/1/17/201170313481216596/201170313481216596001.jpg?itok=S4hIbj3B)