Question

5. .... carries the greatest amount of energy a) X-rays b) gamma rays c) visible light d) infrared rays 6. The E. and B fields in electromagnetic waves are oriented a) parallel to the wave's direction of travel, as well as to each other. b) parallel to the waves direction of travel, and perpendicular to each other. c) perpendicular to the wave direction of travel, and parallel to each other. d) perpendicular to the wave's direction of travel, and also to each other. 7. Which of the following correctly lists electromagnetic waves in order from longest to shortest wavelength? a) gamma rays, ultraviolet, infrared, microwaves b) microwaves, ultraviolet, visible light. gamma rays c) radio waves, infrared, gamma rays ultraviolet d) television, infrared, visible light, X-rays 8. What is the wavelength of light waves if their frequency is 5.0 x 10H? a) 0,60 m b) 600 mm c) 0.06 9. How long does it take light to wel 10! o i B C JALA

Answer 1

0.33 X 10 ری) Ezhu Eau (frequency) (6) Gamma rays Perpendicular to the wave direction and also to each other. (7) Wavelength lengest to shortest (d) Television, infrared, visible, x-rays. 8) 3x108 da -7 6 x 10 sxiolu (do 0.60 elm 2 3.3 ns ta (9) ca) 3x1.8 (10) (c) fi 3x108 20x1013 1.5x100 15 GHz