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- The index of refraction of a certain type of glass is expressed by the relation: 4825 nm2 n(1) = 1.525 + 22 What is the group velocity of a pulse propagating in this glass and centered at 400 nm? 2.916 x10^8 m/s 1.916 x10^8 m/s 1.894 x 10^8 m/s O 1.845 x10^8 m/s 2.845 x10^8 m/s O 2.894 x 1048 m/sYellow sodium light has a wavelength in air of 590 nm. What is the frequency in air? (n = 1.00.) What is the wavelength in glycerine (n = 1.47)? C = 3.0 × 108 m/s)You shine a monochromatic red light of frequency 4.30 x 10^14 Hz into a flint glass. What are the frequency and wavelength of this light in the material?
- A wave is described by the given wave function, 8 TT 6 T -1 m. -1 + y(x,t) = 0.65m sin 3 5 The frequency of the wave in hertz O2.22 O1.33 O0.75 O1.67The index of refraction of a certain type of glass is expressed by the relation: 4825 nm2 n(1) = 1.525 + 22 What is the phase velocity of a pulse propagating in this glass and centered at 600 nm? 2.550 x 10^8 m/s 1.929 x 10^8 m/s 1.943 x 10^8 m/s 1.950 x 10^8 m/s 2.543 x 10 8 m/s O 2.529 x 10^8 m/sRed light has a frequency of 4.0 x 1014 its wavelength? Hz and a speed of 3.0 x 10° m/s. What is O 750 x 10-7 m O 750 cm O13x10° m O 1.3 10 m O 750 nm 12 m
- Ex. EX 2: Red light of wavelength 6400 Å in air O has wavelength 4000 A in glass. If the O wavelength of violet light in air is 4400 A. What is its wavelength in glass?After seeing a plane, 4 seconds later the sound was heard. If the speed of sound is 340 m/s how far away is the plane? 4 m 85 m 340 m 1360 m PrtSc Insert Delete F5 F6 F7 F8 F10 F11 F12 F4 & Backspace 4 5 6 8. T Y U %3D G H. J K PgU Alt Ctrl Home + II V - 图 MN 18 FL 14In a physics lab, light with wavelength 490 nm travels in air from a laser to a photocell in 17.0 ns. When a slab of glass 0.840 m thick is placed in the light beam, with the beam incident along the normal to the parallel faces of the slab, it takes the light 21.2 ns to travel from the laser to the photocell. What is the wavelength of the light in the glass?
- of light waves if their (b) 6.0 mm (d) 0.60 μm Q. 1. What is the wavelength frequency is 5.0X10¹4 Hz? (a) 0.60 m (c) 0.060 mmThe speed of a light wave in a certain transparent material is 0.5790.579 times its speed in vacuum, which is 3.00×108 m/s3.00×108 m/s. When yellow light with a frequency of 5.23×1014 Hz5.23×1014 Hz passes through this material, what is its wavelength ?� in nanometers?Light of wavelength 600 nm in vacuum is found to travel at 1.5 x 108 m/s in a certain liquid. Calculate the frequency and wavelength of the light in this liquid. (c = 3.0 x 10® m/s) Provide the frequency: x 1014 Hz Provide the wavelength: nm