Use Figure 12.2 to answer the following questions.

(a) How does the energy of X-rays compare with that of blue light (greater or smaller)?

(b) How does the energy of radar waves compare with that of red light (greater or smaller)?

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Energy, kJ mol-¹ 1010 10⁹ 108 107 106 105 104 103 10² 101 1 10-1 10-² 10-3 10-4 10-5 10-6 Frequency, Hz 1023 1022 1021 1020 1019 1018 1017 1016 1015 1014 1013 1012 1011 1010 10⁹ 108 107 106 F - F cosmic rays- gamma rays- X-rays + ultraviolet radiation infrared radiation microwaves, radar _radio frequency short-wave radio visible light 10-14 10-13 10-12 10-11- 10-10- 10-⁹ 10-8 10-7 10-6 10-5 10-4 10-3 10-2 10-1 1 10¹ 10² Wavelength, m atoms small molecules proteins viruses bacteria thickness of a human hair an ant a honeybee a cat human height a whale 400 nm 475 nm 510 nm 570 nm 590 nm 650 nm (b)