The wavelength and frequency of the H α line of hydrogen gas in a laboratory in which the discharge tube produces first-order bright band at a distance of 17.4 cm from the central maxima if a grating spectrograph has 5000 lines/cm and is placed by a distance of 0.500 m from the film.
The wavelength and frequency of the H α line of hydrogen gas in a laboratory in which the discharge tube produces first-order bright band at a distance of 17.4 cm from the central maxima if a grating spectrograph has 5000 lines/cm and is placed by a distance of 0.500 m from the film.
Solution Summary: The author analyzes the wavelength and frequency of the hydrogen gas line in a laboratory where the discharge tube produces first-order bright bands.
The wavelength and frequency of the Hα line of hydrogen gas in a laboratory in which the discharge tube produces first-order bright band at a distance of 17.4 cm from the central maxima if a grating spectrograph has 5000 lines/cm and is placed by a distance of 0.500 m from the film.
(b)
To determine
The wavelength and frequency of the Hα line coming from the galaxy in a cluster. Hydra A produces first-order bright band at a distance of 18.4 cm from the central maxima if the grating spectrograph has 5000 lines/cm and is placed at 0.500 m from the thin film.
(c)
To determine
The possible reason for the frequency differences of Hα line from the galaxy and Hα line from the lab source if the grating spectrograph has 5000 lines/cm and is placed at a distance of 0.500 m from the thin film.
Fresnel lens: You would like to design a 25 mm diameter blazed Fresnel zone plate with a first-order power of
+1.5 diopters. What is the lithography requirement (resolution required) for making this lens that is designed
for 550 nm? Express your answer in units of μm to one decimal point.
Fresnel lens: What would the power of the first diffracted order of this lens be at wavelength of 400 nm?
Express your answer in diopters to one decimal point.
Eye: A person with myopic eyes has a far point of 15 cm. What power contact lenses does she need to correct
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Paraxial design of a field flattener. Imagine your optical system has Petzal curvature of the field with radius
p. In Module 1 of Course 1, a homework problem asked you to derive the paraxial focus shift along the axis
when a slab of glass was inserted in a converging cone of rays. Find or re-derive that result, then use it to
calculate the paraxial radius of curvature of a field flattener of refractive index n that will correct the observed
Petzval. Assume that the side of the flattener facing the image plane is plano. What is the required radius of
the plano-convex field flattener? (p written as rho )
3.37(a) Five free electrons exist in a three-dimensional infinite potential well with all three widths equal to \( a = 12 \, \text{Å} \). Determine the Fermi energy level at \( T = 0 \, \text{K} \). (b) Repeat part (a) for 13 electrons.
Book: Semiconductor Physics and Devices 4th ed, NeamanChapter-3Please expert answer only. don't give gpt-generated answers, & please clear the concept of quantum states for determining nx, ny, nz to determine E, as I don't have much idea about that topic.
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