13. Which of the following does not change when light passes from air to glass?

Question

13. Which of the following does not change when light passes from air to glass? A) The speed B) The frequency. C) The wavelength. D) The angle with respect to the normal. E) None of the above. They all change. 14. Unpolarized light is incident on either one, two, three, or four polarizers, respectively, which are shown side by side, for clarity). In which two cases will the most light pass through the polarizer(s)? (The angles are set up in a straight line. (In the figures below the polarizers shown are all with respect to the vertical.) 0° 0° 90 45 9 0 30 60 90 Case I one polarizer)(two Case II1 (three polarizers) Case ? (four polarizers) Case II C) I, IV D) II, III E) II, IV 15. The distance between two slits is 1.50x10 m. A beam of coherent light of wavelength 600 nm illuminates these slits, and the distance between the slit and the screen is 2.00 m. What is the distance on the screen between the central bright fringe and the fourth-order bright fringe? A) 2.4x10 m B) 1.1x103m C) 8.0x102m D) 1.3x10 m E) 3.2x10 m

Explanation / Answer

13) when light passes from one material to the other

it is the frequency that does not change

so option B) the frequency is the correct answer

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