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Young's experiment is performed with light of wavelength 502 nanometer from excited helium atoms. Fringes are measured carefully on a screen 1.40 meter away from the double slit, and the center of the 20th fringe (not counting the central bright fringe) is found to be 10.2 millimeter from the center of the central bright fringe.
Compute what the separation of the two slits?
Answer in mm.
A 31.5 cm focal length converging lens is 20.0 cm behind a diverging lens. Parallel light strikes the diverging lens. What is the focal length of the diverging lens
question a group of swimmers is resting in the sun on an off-shore raft. they estimate that 3.44 m separate a trough
A piston cylinder contains ar at 375kPA and 20 degrees celicus. Determine the heat added and the work done, using both Air Tables and Constant specific heat
A hollow, conducting sphere with an outer radius of 0.252 m and an inner radius of 0.210 m has a uniform surface charge density of +6.57×10?6 C/m^2. find the new charge density on the outside of the sphere
A microscope uses an eyepiece with a focal length of 1.43 cm. What is the magnification of the microscope
A batter strikes a baseball moving horizontally towards him at 15 m/s. the ball leaves the bat horizontally at 24 m/s, determine the change in velocity of the ball
Two blocks of mass 7.00 kg and 3.00 kg are placed in contact withone another on a smooth horizontal surface, Find the Magnitude of the force on the 3.00 kg block
A 5 kilogram weight is pushed up a 30 degree incline for 10.0 minute with a 98.0 Newton force parallel to the plane. Find what is the velocity of the weight after having been pushed the 10.0 m
Light of wavelength 380 nm is incident on the face of a silica prism at an angle of 1 = 64.2 (with respect to the normal to the surface). The apex angle of the prism is = 63.1. Given: The value of the index of refraction for silica is n = 1.455.
A 1070-N uniform beam is attached to a vertical wall at one end and is supported by a cable at the other end. A 1960-N crate hangs from the far end of the beam.
A satellite of the Earth has a mass of100kg and is at an altitude of1.00multiplied by106m. What force does the satellite exert on the Earth
Coulomb's Law gives us an expression for the electric field caused by a point charge with magnitude . Suppose we have several point charges. The electric field at a location is the vector sum of point charge contributions.
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