1) What do EM waves not require? a) A medium b) A wavelength c) A source d) A frequency 2) Which is a type of EM wave? a) Water b) Light c) Sound d) Heat 3) What proves EM waves don't need a medium? a) Sound tests b) Vacuum experiments c) Water tests d) Air tests 4) Which wave is not electromagnetic? a) Ultrasound b) Radio c) Microwave d) X-ray

Electromagnetic Waves Quiz

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