Question 10 of 10 • FL-2002070-M/J Comprehensive Science 2 A-CR
Lidia plans an experimental investigation to see how the thickness of a lens affects the point where a beam of light is focused. She plans to shine light through a lens and measure the distance to a screen that is placed where the beam focuses.What are the controls in Lidia’s investigation?
Answer
A
the material and thickness of the lens
B
the type of light and the material of the lens
C
the distance to the screen and the type of light
D
the thickness of the lens and the distance to the screen