1) Which part of the electromagnetic spectrum is visible to humans? a) Optical Spectrum b) Ultraviolet c) Infrared 2) Which among the many types of electromagnetic waves have the greatest energy, highest frequency, and shortest wavelength? a) X-rays b) Gamma Rays c) Radio Waves 3) RADAR utilizes ________________ waves. a) Gamma Rays b) X-ray c) Microwaves 4) ____________ have the shortest wavelength. a) X-rays b) Gamma Rays c) Ultraviolet Rays 5) We refer to the energy of electromagnetic waves as ________ a) Radiation b) Spectrum c) Transverse Waves

Electromagnetic Spectrum

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