In January 2025
Answer to Question #214398 in Electricity and Magnetism for John Mark
Two flat mirrors are perpendicular to each other. An incoming beam of light makes an angle of 15° with the first mirror as shown below. What angle will the outgoing beam make with the surface of the second mirror?
"\u03b8_1=\u03b8_2 = 90 -15 = 75\u00b0 \\\\\n\n\u03b8_3= 180 -90 -75 = 15\u00b0 \\\\\n\n\u03b8_3=\u03b8_4 \\\\\n\n\u03b8_5 = 90 -\u03b8_4 = 90 -15 = 75\u00b0"
Answer: 75°
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