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Optics
Sodium light is incident normally on a grating of width 4×10−3m. The total number
of lines on the grating is 2000. Determine the angular separation between the sodium
D-lines in the first order spectrum.
of lines on the grating is 2000. Determine the angular separation between the sodium
D-lines in the first order spectrum.
Optics
The diffraction pattern due to a single slit of width 0.4 cm is obtained with the help
of a lens of focal length 30 cm. If wavelength of the light used is 589 nm, calculate
the distance of the first dark fringe and the consecutive bright fringe from the axis.
of a lens of focal length 30 cm. If wavelength of the light used is 589 nm, calculate
the distance of the first dark fringe and the consecutive bright fringe from the axis.
Optics
What is a zone plate? How does a positive zone plate differ from a negative zone
plate? Show that each Fresnel half period zone has nearly the same area.
plate? Show that each Fresnel half period zone has nearly the same area.
Optics
https://www.assignmentexpert.com/homework-answers/physics/optics/question-38971
in the solution given in the link above , why does the angle of prism vary from 0 to 90 instead of 0 to 180?
in the solution given in the link above , why does the angle of prism vary from 0 to 90 instead of 0 to 180?
Optics
Compare and contrast three level and four level pumping scheme
Optics
Derive an expression to show that the condition of population inversion in the society for laser action
Optics
Derive an expression to show that the condition of population inversion in the society for laser action
Optics
Discuss the opponent-process theory of colour vision
Optics
Derive an expression to show that the condition of population inversion is necessary for laser action
Optics
Sir, I can't understand that Why the THICKNESS OF THIN FILM SHOULD BE COMPARABLE WITH THE WAVELENGTH OF LIGHT for interference in thin film?
