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Suppose a monochromic light strikes a grating at normal incidence. The first order diffractions lines appear at the angle 23.5° with respect to the normal. If the grating has 5500 lines per centimeter, what is the frequency of the light that passes through?
The initial velocity of a 2.28 kg block sliding down a frictionless inclined plane is found to be 1.11 m/s, What is the angle of the plane with respect to the horizontal
Aluminum has a density of 2.70 g/cm3. We would like to make aluminum foil that is 96 micrometer thick, how many meters long of an aluminum foil can we make
wo converging lenses are placed 60.0 cm apart. The intial object is placed 28.7 cm in front of the first lens. what is the total linear magnification for the system
The K series of the discrete x-ray spectrum of tungsten contains wavelengths of 0.018 5 nm, 0.020 9 nm, Determine the ionization energies of the L, M, and N shells
For the two conducting balls as described in problem 1, when one ball is attached to a torsion balance the wire is twisted by a torsional angle of 1°. find the torsion constant of the wire
A light ray propagates in a material with index of refraction 1.13, strikes an interface, and passes into a material whose index of refraction is 1.41, Find the angle of refraction
A 1940-kg car experiences a combined force of air resistance and friction that has the same magnitude whether the car goes up or down a hill at 32.2 m/s. At what angle is the hill inclined above the horizontal
The 14C atom undergoes an explosion and decays into a nucleus, an electron, and a neutrino. From this determine the speed of the recoiling nucleus
light of wavelength 6.7x10^-7m travels first through air, and then enters a medium of higher index of refraction. what is the new speed of the light wave
A pipe is open at both ends. Its length is 22.81 cm. If I excite standing waves in the pipe by blowing air over one of its ends, Find the distance between the antinodes at the two ends of the pipe
What is the approximate mass of an object whose weight equals the force in part (b).
Find out the acceleration of the crate if the applied force is 380 , the mass of the crate is 32 and the coefficient of kinetic friction is 0.42.
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