17. The speed of a light waves in vacuum is 3 x 10° m/s. The period of the light wave is 700 ns. What is the frequency of this wave? a) 1.429 x 10-12 Hz b) 1.429 x 10-3 Hz c) 2.100 x 10² Hz d) 1.429 x 10 Hz e) 4.286 x 10“ Hz

What are the parts of this traveling wave? y(x,t) = (9.00 m) sin( (6ñ m¯¹)x + (4ñ rad/s)t - n/8) 5. Wavelength 6. Angular frequency

20. What would the speed of an observer be if a red (4.688 x 1014 Hz) traffic light appeared green (5.555 × 1014 Hz) to the observer? A) 4.445 x 10$ m/s B) 2.219 × 10$ m/s C) 8.438 × 107 m/s D) 5.548 x 107 m/s E) 2.890 × 10 m/s Ans: D

1. Four electromagnetic waves have the following frequencies, Indicate what each of their Wavelengths are and which region of the electromagnetic spectrum they fall in. (a) 9.4 x 10^12 Hz, (b) 6.2 x 10^14 Hs, and c 3.0 x 10^17 Hz

6.a. A light wave has a wavelength of 1,310 nm. What's the frequency of this wave?A. 229 THzB. 914 THzC. 371 THzD. 436 THz 6.b. A light wave has a frequency of 358 THz. What's the wavelength of this wave?A. 917 nmB. 556 nmC. 838 nmD. 1,018 nm

Visible light corresponds roughly to the range of wavelengths from 400 nm (violet) to 700 nm (red). 1 nm = 1 nanometer = 10-9 m. What is the frequency of visible light at a wavelength of 600 nm? f= Hz Enter your answer above using scientific notation with the format x.yzEq = x.yz x109. For example, 1.23 x 10-9 is entered as 1.23E-9. What is the wavelength of a visible light wave with a frequency of 4.64 x 10¹4 Hz? λ = nm

65. Light composed of multiple frequencies passes through crown glass. (a) How much faster does the orange component of light with a wavelength of 610 nm travel in the crown glass than the component of violet light with a wavelength of 410 nm? orange light is faster than violet light by: = ✗ m/s