Diameter of the objective lens of a telescope is 250 cm. For light of wavelength 600 nm coming from a distant object, the limit of resolution of the telescope is close to what value?
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Q: The Rayleigh criterion provides a convenient way to describe the theoretical resolution (e.g. an…
A: Converging lens diameter, D=22.8 mm=22.8×10-3 m Wavelength of the light associated, λ=640…
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- The Rayleigh criterion provides a convenient way to describe the theoretical resolution (e.g. an ability to distinguish two bright objects ) of an optical system. The criterion states that two small bright sources of light can be resolved if the first diffraction minimum of the image of one source point just coincides with of further apart then the first maximum of another (see figure below). A converging lens, 31.5 mm in diameter, is used to form images of distant objects. Considering the diffraction by the lens, what angular separation must two distant point objects have in order to satisfy Rayleigh's criterion? Assume that the wavelength of the light from the distant objects is 516 nm. Provide your answer in millidegrees (mdeg).A vehicle with headlights separated by 1.95 m approaches an observer holding an infrared detector sensitive to radiation of wavelength 885 nm. What aperture diameter is required in the detector if the two headlights are to be resolved at a distance of 26.0 km? mmA blackbody radiator in the shape of a sphere has a surface area of 152 If it has a temperature of 1200 K how much energy does it emit per second? If the sun emits light with a peak wavelength of 500 nm. What is the temperature of the sun? Two slits, 0.5 mm apart, are placed at a distance of 1.5 meters from a screen. Light of 300 nm illuminates the two slits and an interference pattern is observed on the screen. What is the distance between the central bright spot and the first bright spot on either side?
- You've got binoculars with 28-mm-diameter lenses. You're observing two bees on a flower 840 m distant. What's the minimum separation between the bees for you to be able to resolve them as two distinct insects? Assume visible light with 590-nm wavelength.A spy satellite is in orbit a distance of 1.91 x 106 m above the earth's surface. It carries a telescope that can resolve two trees that are 1.34 m apart using light of wavelength 592 nm. What must be the minimum diameter of the telescope's lens (in meters)?The Rayleigh criterion provides a convenient way to describe the theoretical resolution (e.g. an ability to distinguish two bright objects ) of an optical system. The criterion states that two small bright sources of light can be resolved if the first diffraction minimum of the image of one source point just coincides with of further apart then the first maximum of another (see figure below). A converging lens, 34.2 mm in diameter, is used to form images of distant objects. Considering the diffraction by the lens, what angular separation must two distant point objects have in order to satisfy Rayleigh's criterion? Assume that the wavelength of the light from the distant objects is 431 nm. Provide your answer in millidegrees (mdeg). Answer: Choose... +
- A vehicle with headlights separated by 2.00 m approaches an observer holding an infrared detector sensitive to radiation of wavelength 885 nm. What aperture diameter is required in the detector if the two headlights are to be resolved at a distance of 10.0 km?A converging lens with a diameter of 31.0 cm forms an image of a satellite passing overhead. The satellite has two green lights (wavelength 500 nm) spaced 1.04 m apart. If the lights can just be resolved according to the Rayleigh criterion, what is the altitude of the satellite? h = kmA converging lens with a diameter of 25.0 cm forms an image of a satellite passing overhead. The satellite has two green lights (wavelength 500 nm) spaced 1.08 m apart. If the lights can just be resolved according to the Rayleigh criterion, what is the altitude of the satellite? h = km
- 9. Consider TE oblique incidence with 30 degree incidence angle from the air (n=1) to the semiconduc tor (n=3.5). The optical wavelength is 1.5 µm. We want to coat a thin film on the semiconductor to achieve zero reflection for this particular case. The coating material is with the refractive index n and the thickness d. (1) What is the power reflectivity of the interface without the coating. (2) Please determine the required d and n to achieve zero reflectivity.A lens with an index of refraction of 1.60 is to be coated with a material (n = 1.40) that will make the lens nonreflecting for yellow-orange light (λλ = 515 nm) normally incident on the lens. What is the minimum required thickness of the coating?