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a) What are the waves called whose wavelengths are just shorter than visible light? Describe one...

a) What are the waves called whose wavelengths are just shorter than visible light? Describe one of their applications.

b) What are the next shorter waves called? Describe one of their applications.

c) What are the waves called whose wavelengths are just longer than visible light? Describe one of their applications.

d) What are the next longer waves called? Describe one of their applications.

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