Science 30 January 1999 Grade 12 Diploma Examination
Science 30 January 1999 Grade 12 Diploma Examination
Science 30 January 1999 Grade 12 Diploma Examination
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A series of experiments were conducted in a research lab on a space station.Use the following information to answer the next question.Characteristics of Some Electromagnetic RadiationIIIIIIIVTravels at 3.0 10 8 m/sIs visibleCan be reflectedHas a longer wavelength than ultraviolet rays36. X-rays and light rays are similar in that both have characteristicsA. I and IIIB. I and IVC. II and IVD. III and IV37. Radiation from a comet is detected at a wavelength of 6.6 10 –8 m, whichindicates the presence of iron. What part of the electromagnetic spectrum wouldcontain this wavelength?A. InfraredB. UltravioletC. Visible redD. Visible violet26
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