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

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11. A beam of light passes from air into water, striking the interface with an incident
angle of 33°. Which of the following four quantities change as the light enters the
water: 2 (wavelength), f (frequency), v (speed of propagation), → (direction of
propagation)?
A. i and f
B. 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 incident
onto a transparent material n=2. What is its wavelength à and frequency f'inside
the material?
A. 510 nm, (3/1020) x 1017 Hz
B. 510nm, (3/510) x 10'7 Hz
C. 510nm, (3/255) x 10'7 Hz
D. 255nm, (3/510) x 101" Hz
E. 255nm, (3/255) x 1017 Hz
125
Scanned with CamSca
What is the frequency of the refracted light?
A. (1/21) x 101®Hz
B. (5/81) x 10 Hz
C. (1/45) x 10 Hz
D. 6.3 x 10"Hz
E. 3x 10'Hz
Transcribed Image Text:11. A beam of light passes from air into water, striking the interface with an incident angle of 33°. Which of the following four quantities change as the light enters the water: 2 (wavelength), f (frequency), v (speed of propagation), → (direction of propagation)? A. i and f B. 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 incident onto a transparent material n=2. What is its wavelength à and frequency f'inside the material? A. 510 nm, (3/1020) x 1017 Hz B. 510nm, (3/510) x 10'7 Hz C. 510nm, (3/255) x 10'7 Hz D. 255nm, (3/510) x 101" Hz E. 255nm, (3/255) x 1017 Hz 125 Scanned with CamSca What is the frequency of the refracted light? A. (1/21) x 101®Hz B. (5/81) x 10 Hz C. (1/45) x 10 Hz D. 6.3 x 10"Hz E. 3x 10'Hz
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