Find an image with one speckle
Im looking at a 12th magnitude bright star. I find an average of 11 speckles of light in each 10ms image.
Assuming that the distribution of the speckles are poissonian how many images on average should I take to find an image with one speckle?
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What are the magnitude and direction of the x and y components of the electric field at the origin if there is a +2.0nC source charge located at x=1.0cm, y=0.0cm and a -4.0nC source charge located at x=0.0cm, y=-3.0cm?
Determine the heat, work done, and changing enthalpy in each processes and complete cycle.1. adiabatic process V goes 1/2 V.2. isochoric process temp goes original temp.3. isothermal process 1/2V goes V.Initial state 300k, 1atm, V
Suppose that earth was formed as molten rock at some very high temperatures. Estimate the time for the earth to cool to 300 K.This calculation was first performed by Lord Kelvin. The cooling time determined by Kelvin was significantly smaller than th
An elementary particle of mass M completely absorbs a photon, after which its mass is 1.01M.(a) What was the energy of the incoming photon?(b) Why is that energy greater than 0.01Mc^2?
Im looking at a 12th magnitude bright star. I find an average of 11 speckles of light in each 10ms image.Assuming that the distribution of the speckles are poissonian how many images on average should I take to find an image with one speckle?
A capacitor consists of three concentric spherical shells with radii R,2R and 3R. The inner and outer shells are connected by a wire (passing through a hole in the middle shell, without touching it), so they are at the same potential. The shells star
A frictionless pulley has the shape of a uniform solid disk of mass 5.00kg and radius 25.0cm . A 2.20kg stone is attached to a very light wire that is wrapped around the rim of the pulley(Figure 1) , and the stone is released from rest.As it falls do
Assuming that the Earth is spherical and recalling that latitudes range from 0° at the Equator to 90° N at the North Pole, how far apart,measured on the Earth's surface, are New Orleans, LA (29.83° N latitude), and Guatemala City (14.62&d
Find how much energy is needed to remove one of the neutrons from a ^3H atom to yield a ^2H atom plus a neutron.The rest energy for:neutron = 939.565,proton = 938.272,^2H = 1875.613
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