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Copy of Reflection ISA
Transcript of Copy of Reflection ISA
Ray box to provide light ray
Power pack to power the ray box
One single slit to provide only one single ray of light
Did you identify two sources?
name of website if possible with website address
Calculate an average and discard any anomalous results
What is good about repeats?
What can repeated results show?
paper 1 worth 20 marks
Di you compare resources
Why were both resources useful and
why was one better than the other
To make your investigation reliable, what do you need to do?
Will minimize any random results caused during the experiment
Step by step method
Preferably bullet points and the method should enable valid results to be collected
Which measurements are you going to make?
Ex: In this experiment what are you measuring?, what is the range? what are the intervals? why did you choose these range and intervals?
You need to state at least three control variables and how can you control these variables
Keep the same glass mirror by
using only one type of mirror
with the same dimensions and
Did you identify hazards in this experiment and how to control them
You need at least 3 examples
Ray box may become really hot
after use. Handle with care
This is for using good English
No spelling mistakes, punctuation and grammar.
reason for the range and interval
Range is to do with the pattern
Interval is to do with a trend
Table of results
Independent variable: x-axis
Dependent variable: y-axis
do not forget the units
If you follow this system you will get your 20 marks easily.