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The information below is subject to change as
more event tips and details are included. Please monitor this page
regularly.
Event Description:
A laser beam is guided
through an optical maze onto a bull's eye target. Three mirrors must be aligned
such that the laser beam bounces off all mirrors and passes through
circular apertures located along the beam path. The laser is turned off during
most of the alignment procedure.
Event Location and Time:
Randall Building,
Room 4263 |
Time:
10:30 - 11:50 a.m. and
1:00 p.m. – 2:50 p.m. |
Apparatus and Materials:
1. The following equipment will be provided:
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Helium-Neon Laser (1mW power; not to be
moved);
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Three mirrors;
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Three mirror mounts;
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Bull's eye (not to be moved)
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Circular apertures (some not to be moved)
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Aperture mounts
Event Rules:
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Every team must have two members.
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At the beginning
of the event, an official will reiterate the event rules and answer
questions. A sheet outlining the rules and objectives will be handed out to
the contestants.
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Theoretical Part: each team will have 5
minutes to fill out a questionnaire about the way in which the equipment functions.
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Experimental Part:
after turning the laser on, the students use the mirror mounts and their controls to guide the beam through the
apertures to the bull's eye. One aperture is to be placed in a specified
target zone. It is allowed to move the locations of the mirrors.
Judging Criteria:
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The maximum score for the activity is 100
points.
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Theoretical Part: the questionnaire
earns up to 20 theory points.
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Experimental Part:
There will be a maximum of 80 experimental points. Teams will earn 10 points
for the achievement of each of three core objectives specified in the rules.
Up to 20 additional points will be awarded based on the location at which
the laser beam hits the bull's eye target.
If a team finishes the activity within 20 minutes, the team
earns a time score of 30 points. After 20 minutes, the
time score drops at a rate of 2 points per minute.
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Gold, Silver, and Bronze Medals will be awarded to
the teams with the highest three scores, respectively.
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2007 Physics Olympiad