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Card 6
Front
Find the wavelength of a wave with frequency 15MHz and speed 3X10r8
Back
Card 7
Front
What happens to a light ray as it travels from air from air to water at an angle?
Back
Card 8
Front
What is meant by focal point?
Back
Card 9
Front
How can you work out the focal length?
Back
Card 10
Front
Explain how an object's distance from a lens affects what image you will see.
Back
Card 11
Front
How mant converging lenses does a refracting telescope use?
Back
Card 12
Front
How does a refracting telescope work?
Back
Card 13
Front
Explain how a reflectin telescope works.
Back
Card 14
Front
List the seven types of electromagnetic radiaton in order of increasing frequency.
Back
Card 15
Front
which type of Em radiation has the highest frequency?
Back
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