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4. If the wavelength of a monochromatic source is 490 nm in vacuum, what is the wavelength from the same source when it passes through a liquid where the velocity of light is 2.2 x 108 m/s?
a. 359 nm
b. 613 nm
c. 490 nm
d. 392 nm
Need help with 4. If the wavelength of a monochromatic source is 490 nm in vacuum,...
A source emits monochromatic light of wavelength 495 nm in air. When the light passes through a liquid, its wavelength reduces to 434 nm What is the liquid's index of refraction? a) 1.49 b) 2.03 c) 1.14 d) 1.26 e) 1.33
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In a diffraction experiment, light of 600.nm wavelength produces a first-order maximum 0.350 mm from the central maximum on a distant screen. A second monochromatic source produces a third-order maximum 0.870 mm from the central maximum when it passes through the same diffraction grating. What is the wavelength of the light from the second source?
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