What is the wavelength of visible light in air
A thin layer of oil of refractive index 1.18 is spread on the surface of water (n=1.33). If the thickness of the oil is 260 nm, then what is the wavelength of visible light in air that will be predominantly reflected from the top surface of the oil?
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One bright summer day a swimmer is floating with her head just above the surface of a large lake where the water has index of refraction n = 1.38. Nearby she sees a tall wooden post emerging from the water.
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A thin layer of oil of refractive index 1.18 is spread on the surface of water (n=1.33). If the thickness of the oil is 260 nm, then what is the wavelength of visible light in air that will be predominantly reflected from the top surface of the o
The intention is to draw air from the receiver during the 4-hour drilling shift until the absolute pressure drops to 800 kPa. What is the rate at which the main air supply can be boosted during this period?
Light of wavelength 671 nm is incident on a single slit. The central bright fringe is 2.60 cm wide on a flat screen that is 77.4 cm from the slit. What would be the width of the central bright fringe if the wavelength were 443 nm?
A non-uniform steady incompressible flow is observed to have a velocity of 15m/s at a point where the cross-sectional area is 10 cm^2, what is the cross sectional area when the velocity is 11m/s.
Determine the dynamic viscosity of flow if the pressure drop of a fluid running with a flow rate of 880 mm^3/s through a pipe 1m in length with diameter of 0.5mm is 1MPa.
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