DMI 105 MOD 3 Electromagnetic Radiation and Radiation Physics Exam: Electromagnetic Spectrum, Electromagnetic Radiation, Gamma Rays, X-Rays, Photons, Beta Particle, Alpha Particle, Particulate Radiation, Curie, Becquerel, Radionuclide, Half-Life, Radioact

DMI 105 MOD 3 Electromagnetic Radiation and Radiation Physics Exam: Electromagnetic Spectrum, Electromagnetic Radiation, Gamma Rays, X-Rays, Photons, Beta Particle, Alpha Particle, Particulate Radiation, Curie, Becquerel, Radionuclide, Half-Life, Radioactivity, Radioactive Decay, Ionization, Electron Volts, Frequency, Hertz, Wavelength, Amplitude, Speed of Light, Wave-Particle Duality, Diffraction, Reflection, Refraction, Inverse Square Law, Attenuation, Radiopaque, Planck’s Quantum Theory, Technetium 99m Decay, Photon Energy Exam Questions Verified and Provided with Complete A+ Graded Rationales Latest Updated 2026 Which of the following is not a member of the electromagnetic spectrum? Beta The members of the spectrum are radio waves, microwaves, infrared, visible light, ultraviolet, x-rays, and gamma rays. Beta is a particle and not a part of the electromagnetic spectrum. Which of the following has the highest energy? Gamma rays X-rays and gamma rays are at the high end of the electromagnetic spectrum, but it is gamma rays that are at the top of the list. Electromagnetic radiation includes what types of disturbances in space? Electric & Magnetic By definition, electromagnetic radiation is an electric and magnetic disturbance traveling through space at the speed of light. What is the velocity of electromagnetic radiation? Speed of Light All electromagnetic radiation has the same velocity, the speed of light (3 x 108 m/s). In what medium does electromagnetic radiation travel best? Does not require a medium With electromagnetic radiation, it is the energy itself that vibrates and it does not require a medium in which to travel. What wave characteristic is the same for all members of the electromagnetic spectrum? Speed All electromagnetic radiation has the same velocity, the speed of light (3 x 108 m/s). Which wave characteristic refers to the height of a wave? Amplitude Amplitude is the height of a wave. Speed is the velocity at which it travels If wavelength increases, what happens to frequency? Decreases Wavelength is the distance between sequential peaks, and frequency is the number of waves per second. Which frequency will have the longest wavelength? 102, 104, 106 or 108 Hz. 102: The lower the frequency, the longer the wavelength. What is the wavelength of electromagnetic radiation with a frequency of 1 x 1010 Hz? 3 x 10-2 m To find wavelength, we divide the c (the speed of light) by the frequency: 3 x 108m/s divided by 1 x 1010 Hz. Seeing color is a characteristic of wave or particle? wave Reflection is a characteristic of wave or particle? wave The warm feeling of sunlight is a characteristic of wave or particle? particle Xrays being transmitted through substances exhibits characteristics of wave or particle? wave Which end (high or low) of the electromagnetic spectrum is more likely to exhibit characteristics of particles? High end