Curved Mirror Applications. In the home. Concave makeup mirrors / shaving mirrors magnify the image (when you are in front of the focal point). At the Dentist – enlarged image of a tooth Inside a flashlight to send out parallel light rays. Solar Ovens. Sunlight is free!
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Concave makeup mirrors / shaving mirrors magnify the image (when you are in front of the focal point)
At the Dentist – enlarged image of a tooth
Inside a flashlight to send out parallel light rays
Sunlight is free!
Solar radiation is reflected from a concave mirror to the focal point
Temperatures can reach up to 200 deg. C
The Mythbusters have tried three times but with little success……..
Legend is that ancient Greeks lit attacking ships on fire using concave mirrors.
Built and used before World War 2 in Britain to hearenemy aircraft (1930s)
Sound (not light) reflected to microphone
No longer used after radar was invented
Concave “dish” that sends and receives radio waves
Radio waves are sent out and any waves bounce off of aircraft are reflected from the mirror to the receiver at the focal point.
Stealth aircraft can be constructed with small flat surfaces and many angles so they can avoid detection
Store security –the store clerk can see what is going on from the counter
Border crossings, event security – check the undersides of vehicles
School buses – allows driver to see in front of the bus
Side view mirrors – allow a wider view of the road beside/behind the driver
“Objects in mirror are closer than they appear”