Use Clausius-Mossotti equation to determine the polarizibility of atoms in the air molecules, where the number density of dry air is 2.504×1025 m-3. Assume the result for nitrogen atom and compute the relative displacement of nitrogen nucleus
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- In Millikan oil drop experiment, a negatively charged oil droplet of mass 3 × 10−12 g and charge 1.6 × 10−16C is kept suspended within the chamber. What is the electric field required to move the charge vertically downward atan acceleration of 5 cm/s 2 ?Cloud with ball shape with radius R is evenly charged with electric charge Q. What is the absolute value of intensity of electric field inside the cloud in the distance 10% of radius from his center. At what force would the cloud affect a meteorologic balloon at the distance of h>>R, if its evenly charged with electric charge Q.If an x-ray field is 6 x 8 inches at 40 SID, at what SID would the field measure 15 x 20 inches?
- You are on an interstellar mission from the E arth to the 8.7 light-years distant star Sirius. Your spaceship can travel with 70% the spee d of light and has a cylindrical shape with a diameter of 6 m at the front surface and a le ngth of 25 m. You have to cross the interstel lar medium with an approximated density of 1 hydrogen atom/m3. (a) Calculate the time it takes your spaceshi p to reach Sirius. (b) Determine the mass of interstellar gas th at collides with your spaceship during the mi ssion.an electron is injected at t=0s with velocity v=(2,2,0.0) m/s into a region with electric field e=(1.0,1.5.0.0) V/m. calculate the trajectory r(t)=(x(t),y(t),z(t)) of electron.If the potential difference found between the anode and the cathode were maintained constant, what will be (i) the exit velocity in the z direction, and (ii) the total displacement of the electron on the screen.
- Use the following constants if necessary. Coulomb constant, k = 8.987 x 10° N - m2 /Cvacuum permitivity, Eg = 8.854 x 10-12 F/rMagnetic Permeability of vacuum, Ho = 12.566370614356 x 10-7 H/aMagnitude of the Charge of one electron, e = -1.60217662 x 10-19 CMass of one electron, m. = 9.10938356 x 10-31 kgUnless specified otherwise, each symbol carries their usual meaning. For example, µCmeans micro coulomb In the figure the blue region represents a magnetic field B = 3.3 Tand the green region represents a magnetic field B2 = 6.0TA particle with charge 4.4 µG mass m =0.065 granand velocity v = 35 m/sravels toward the blue region as shown in the figure. a)What will be the shape of the path followed by the charge? Explain why this particular shape.S 3Sketch a plot of the current / versus voltage V across an ideal photocell when visible light is incident on the cell. Note that the "amplitude" factor lo should be assumed to be negative.