Transcript What if Anything is Wrong Task - Absorption of Light by a Filter

What If Anything is
Wrong Task –
Absorption of Light by a
Filter
A student is holding a red and a
green filter in front of a bright
white light. The light passes
through the red filter first. She
states:
“If I look through the red and
green filter at the same time, I will
see yellow light since red and
green light add together to make
yellow light.”
Answer the following question
on your own
What if anything is wrong with the
student’s statement?
Nothing the statement is fine
B. If you mix red and green paint you
get brown not yellow
C. The light will be red since the green
was absorbed by the red filter
D. The light will be green since it passes
through the green filter last
E. No light will pass through that
combination of filters.
A.
Consult with your neighbors.
Try to see if you can reach a
consensus and then answer
again
What if anything is wrong with the
student’s statement?
Nothing the statement is fine
B. If you mix red and green paint you get
brown not yellow
C. The light will be red since the green was
absorbed by the red filter
D. The light will be green since it passes
through the green filter last
E. No light will pass through that
combination of filters.
A.