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As monochromatic light passes from air to glass and back to air, changes are observed in its
1. Wavelength and frequency.
2. Wavelength, frequency, and speed.
3. Frequency and speed.
4. Wavelength and speed.
5. None of the above choices is correct.
If a wire has the dimensions 2 meter long and a radius of 1mm and the linear density of 10g/m, what is the mass of the wire
A 200 MW laser pulse is focused with a lens to a diameter of2.0μm. find the laser beam's electric field amplitude at the focal point
A generator has a square coil consisting of 356 turns. The coil rotates at 91.5 rad/s in a 0.211-T magnetic field. What is the length of one side of the coil
A machine shop grinding wheel accelerates from rest with a constant angular acceleration of 2.6 rad/s^2 for 7.6 s, Find the total number of revolutions turned
The speed of a bobsled is increasing because it has an accelerationof 2.4 m/s2. At a given instant in time, the forcesresisting the motion, including kinetic friction and airresistance, total 450 N. The combined mass of the bobsled and it sriders ..
An egg with a mass of 40 grams is on a table of 1 meter high, it falls and breaks. what was the force exerted by the floor on the egg so that it broke
A charged particle moves through a velocity selector at a constantspeed in a straight line. The electric field of the velocity selector is 4.15*103 N/C, while the magnetic field is 0.360T.
a 38 g bullet strikes a 0.65 kg block attached to a fixed horizontal spring whose spring constant is 6.2 x 103 nm and
A 0.700 kg ball is on the end of a rope that is 1.30m in length.The ball and rope are attached to a pole and the entire apparatus,including the pole, rotates about the pole’s symmetry axis.The rope makes an angle of 70.0 degrees with respect to theve..
An alloy is made of 30% gold, 20% silver and iron. The specific heats of gold, silver and iron are 0.0308, 0.056 and 0.107 cal/go C, respectively. Calculate the specific heat of the alloy
When a guitar string is sounded along with a 440 Hz tuning fork, a beat frequency of 4 Hz is heard. compute the frequency of the string
A charge +q is located at the origin, while an identical charge is located on the x axis at x = +0.76 m. Where should the third charge be located
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