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PIMSO 2025 - Science - Secondary 3 - National Round Question 16

PIMSO Science · PIMSO 2025 - Science - Secondary 3 - National Round

Question 16

A student designs an experiment to determine the spectrum of color produced by different light sources. Which variable should be held constant in the student’s experiment?
  1. the light source used
  2. the brightness of the spectrum
  3. the colors produced by each light source
  4. the prism through which the light passes