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Unit 3 Optics and light lesson 1:reflaction revision Define visible light :It is a form of energy that we can detected by our eyes Light speed is: 3×10.
Waves in Industry Year 10 Science Fibre Optics, Mobiles and Microwaves.
(c) McGraw Hill Ryerson 2007 6.2 Extending Human Vision Microscopes A compound light microscope uses two convex lenses to magnify small, close objects.
6.2 Extending Human Vision
