PIRA Classification: 6A01.10
Description: Light pulses from a modulated LED bounce off of a reflector and are picked up by a photodetector. The reflector is moved 1 m across the bench, causing the pulse (on a scope) to travel approximately 6.6 nsec on the screen.
Special Instructions: The shape of the pulse must remain constant if you wish to measure the speed of light (see pictures above).
Condition: Ok.
Setup time: 3 minutes
Safety Issues: None