1) A group of waves that all travel at the same speed in a vacuum (c=3×108 m/s) and are all transverse. a) visible spectrum b) fluorescence c) electromagnetic waves d) DNA 2) The number of vibrations (or the number of waves) per second. One hertz (Hz) is one wave per second. a) specular reflection b) frequency c) electromagnetic waves d) oscillations 3) Something that only transmits certain colours and absorbs the rest. a) filter b) radiotherapy c) oscillations d) electromagnetic waves 4) Giving off light. The Sun and light bulbs are luminous objects. a) oscillations b) X-rays c) luminous d) radiotherapy 5) Electromagnetic waves that can be detected by the human eye. a) electromagnetic waves b) radio waves c) visible light d) oscillations 6) The seven colours that make up white light. ROYGBIV a) visible spectrum b) visible light c) skin cancer d) electromagnetic waves 7) Normal daylight, or the light from light bulbs, is white light. a) white light b) radiotherapy c) diffuse reflection d) frequency 8) Electromagnetic radiation with a longer wavelength than infrared radiation but a shorter wavelength than radio waves. a) radiotherapy b) oscillations c) filter d) microwaves 9) Electromagnetic radiation with the longest wavelengths and lowest frequencies. a) X-rays b) radio waves c) visible light d) white light 10) Electromagnetic radiation that has a shorter wavelength than ultraviolet radiation but a longer wavelength than gamma rays. a) filter b) microwaves c) X-rays d) radio waves 11) Movements back and forth. In radio aerials, oscillations are repeated changes in voltage and current. a) frequency b) skin cancer c) microwaves d) oscillations 12) Absorbing radiation of one wavelength and re-emitting the energy at a different wavelength (usually so that it becomes visible). a) microwaves b) fluorescence c) visible spectrum d) radio waves 13) Cancer treatment in which a patient is given gamma radiation to kill the cancer cells. a) radiotherapy b) fluorescence c) DNA d) luminous 14) Deoxyribonucleic acid. Chemical that makes up genes and chromosomes. It contains the instructions for a cell’s growth and activity. a) DNA b) oscillations c) filter d) microwaves 15) A change in the DNA instructions in a cell. a) visible light b) visible spectrum c) mutation d) microwaves 16) A cancer or cancerous tumour on the skin. a) mutation b) skin cancer c) specular reflection d) electromagnetic waves

KS4 Electromagnetic Spectrum Quiz

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