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Light of wavelength 5.00 x 10^2 nm passes through a slit of width 0.210 mm.
(a) Find the width of the central maximum on a screen located 1.40 m from the slit.
(b) Determine the width of the first-order bright fringe.
Suppose that the dipole moment associated with an iron atom of an iron bar is 2.7 x 10-23 J/T. Assume that all the atoms in the bar, What is the dipole moment of the bar
Washington D.C is roughly 3000 miles from San Francisco. When it is 8:00 a.m. in San Francisco, it is 11:00 a.m. in Washington D.C. Using this information, find the rotational speed of the surface of Earth
An air bubble has a volume of 1.49 cm3 when it is released by a submarine 110 m below the surface of a lake. What is the volume of the bubble when it reaches the surface
A 78 kg person is standing on the edge of a rotating merry-go-round platform with a 3.0-m radius, 205kg mass and a 1.45 rad/s angular velocity. How far from the center does he make it
Where are the majority of older, metal-poor stars found in the Milky Way galaxy? The center of our Milky Way Galaxy can be observed most easilyat which of the following electromagnetic wavelengths? A spiral density wave refers to a region of enhanced..
A piece of wood that floats on water has a mass of 0.0175kg. A lead weight is tied to the wood and the apparent mass with the wood in air and the lead weight submerged in water is 0.0765kg. what is the specific gravity of the wood
A uniform plank of length 5.40 m and weight 217 N rests horizontally on two supports, with 1.1 m of the plank hanging over the right support. To what distance x can a person who weighs 417 N walk on the overhanging part of the plank before it immedia..
Three non-interacting particles are in their ground state inan infinite square well; see the figure above. what happens when amagnetic field is turned on which interacts with the spins of theparticles? Draw the new levels and particles (with spin).
Calculate the energy content of 1 kg of natural uranium assuming complete fission. Estimate an average energy per fission. Compare this to the energy in 1 kg of coal (reference all values assumed).
calculate the orbital period of pluto in yr from knowledge of g the mass of the sun m 1.99times1030 kg and the orbital
An unknown substance has a mass of 0.125 kg and an initial temperature of97.5°C. The substance is then dropped into a calorimeter made of aluminum containing 0.285 kg of water initially at25.1°C. calculate the specific heat of the unknown substance
A monochromatic beam of light is absorbed by a collection of ground-state hydrogen atoms in such a way that three different wavelengths are observed, What is the wavelength of the incident beam
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