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Q1.
The following descriptions describe waves from different parts of the electromagnetic spectrum.
Complete each description by adding the name of the wave.
Use the name of each wave only once. Each description refers to a different part of the electromagnetic spectrum.
Description 1
used in cooking
used in short-range communication
typical wavelength 900 nm
name of wave …………………………………………………..
Description 2
used in cooking
used in communication
typical wavelength 150 mm
name of wave …………………………………………………..
Description 3
used in communication
produced by oscillations in electrical circuits
typical wavelength 150 m
name of wave …………………………………………………..
Description 4
used in medical scanning
is emitted by the nucleus of an atom
typical wavelength 2.0 × 10−3 nm
name of wave …………………………………………………..
(4)
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