Please answer 12 and 13 completely with full solutions thank you 11. A beam of light passes from air into water, striking the interface with an incidentangle of 33°. Which of the following four quantities change as the light enters thewater: 2 (wavelength), f (frequency), v (speed of propagation), → (direction ofpropagation)?A. i and fB. f. v, and →C. A, v, and →D. v and →E. A, f. v, and →12. A beam of blue light, whose wavelength in vacuum is Avacun=510nm, is incidentonto a transparent material n=2. What is its wavelength à and frequency f'insidethe material?A. 510 nm, (3/1020) x 1017 HzB. 510nm, (3/510) x 10'7 HzC. 510nm, (3/255) x 10'7 HzD. 255nm, (3/510) x 101" HzE. 255nm, (3/255) x 1017 Hz125Scanned with CamScaWhat is the frequency of the refracted light?A. (1/21) x 101®HzB. (5/81) x 10 HzC. (1/45) x 10 HzD. 6.3 x 10"HzE. 3x 10'Hz

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12. A beam of blue light, whose wavelength in vacuum is 2acum=510nm, is incident onto a transparent material n=2. What is its wavelength à and frequency f'inside the material? A. 510 nm, (3/1020) x 107 Hz B. 510nm, (3/510) x 10'" Hz C. 510nm, (3/255) x 10'" Hz D. 255nm, (3/510) x 10" Hz E. 255nm, (3/255) x 101" Hz 125 Scanned with CamSca What is the frequency of the refracted light? A. (1/21) x 10 Hz B. (5/81) x 10 Hz C. (1/45) x 10 Hz D. 6.3 x 10"Hz E. 3x 10'Hz

12. A beam of blue light, whose wavelength in vacuum is 2acum=510nm, is incident onto a transparent material n=2. What is its wavelength à and frequency f'inside the material? A. 510 nm, (3/1020) x 107 Hz B. 510nm, (3/510) x 10'" Hz C. 510nm, (3/255) x 10'" Hz D. 255nm, (3/510) x 10" Hz E. 255nm, (3/255) x 101" Hz 125 Scanned with CamSca What is the frequency of the refracted light? A. (1/21) x 10 Hz B. (5/81) x 10 Hz C. (1/45) x 10 Hz D. 6.3 x 10"Hz E. 3x 10'Hz