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A plane polarised electrodynamic wave travelling in a dielectric medium of refractive index 'n' is reflected at normal incidence from the surface of the conductor, find the phase change undergone by its electric vector ,if the refractive index of the conductor is n2= n(1+IP)
A particle starts from the origin with velocity 9 m/s at t = 0 and moves in the xy plane with a varying acceleration given by = (9?t) m/s2
A simple model of a rubber band is a one-dimensional horizontal chain consisting of N linked segments ??Each segment can be in one of two possible states: horizontal, with length a, or vertical, with length 0. The rubber band is in thermal equilibriu..
In a certain region of space, a particle is described by the wave function ?(x) = Cxe^(-bx) where c and b are real constants. find the energy of the particle
A block is located on a frictionless plane that is inclined at an angle of 20 degrees. It is held in place by a rope parallel to this plane and which ahs a tension of 100 N. What is the weight of the block?
A 17 kg object and a 23 kgobject are connected by a massless compressed spring and rest on a frictionless table.After the spring is released, the object with the smaller masshas a velocity of 3m/s to theleft.
A person with a mass of 71.6 kg and a volume of 0.089 m3 floats quietly in water. (a) What is the volume of the person that is above the water? If an upward force F is applied to the person, the volume of the person above the water increases by 0...
A student drops two metallic objects into a 120 g steel container holding 150 g of water at 25°C. What is the mass of the aluminum chunk
what is the minimum height you would have to place a solid ball of mass m and radius r i 2mr2 5 on a hill in order
A converging lens forms an image that is one half the size of the object when the object is placed 80.0 cm in front of the lens. Where the object should be placed in order to produce an image that is twice the size of the object?
A Gaussian surface has thirty field lines leaving it when it surrounds a point charge of +10.0 and fifty-five field lines entering it when it surrounds an unknown point charge
A lab will soon be able to accelerate electrons at restthrough a potential voltage of 12x1012 V. what is the electron's speed after being accelerated
a 4400 kg open railroad car coasts along with a constant speed of 5.30ms on a level track. snow begins to fall
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