Physics, 11.08.2021 02:10, kenziebug34
The left end of a long glass rod 8.40 cm in diameter, with an index of refraction 1.62, is ground and polished to a convex hemispherical surface with a radius of 4.20 cm. An object in the form of an arrow 1.50 mm tall, at right angles to the axis of the rod, is located on the axis 24.0 cm to the left of the vertex of the convex surface.
Required:
a. Find the position of the image of the arrow formed by paraxial rays incident on the convex surface.
b. Find the height of the image formed by paraxial rays incident on the convex surface.
c. Is the image erect or inverted?
Answers: 3
Physics, 22.06.2019 06:30, jordanbyrd33
Air initially at 0.75 bar, 1000 k, and occupying a volume of 0.12 m^3 undergoes two processes. process 1-2: the air is compressed isothermally until the volume is halved. process 2-3: the air undergoes a constant pressure process until the volume is halved again. assume ideal gas behavior. a) determine the mass of the air, in kg. b) the work and the heat transfer for each of the two processes, in kj. (100 kj = 1 bar . m^3)
Answers: 1
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