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When blue light of wavelength 460nm is incident upon a double-slit apparatus, it produces a second-order bright fringe (i.e, m=2) at a certain spot P on the screen.
(a) If point P is located at theta = 32degrees from the central maximum, what is the spacing between the two slits
(b) If you want there to be a dark fringe at point P using the same slits and screen, what wavelength of visible light (400 - 700nm) should you use instead of blue light?
Two different elements with half lives Ta and Tb have Na & Nb (undecayed) atoms respectively, Determine the ratio of their activities at this instant
An alpha particle (mass 4 u) experiences an elastic head-on collision with a nucleus (mass 192 u) that is originally at rest. (The symbol u represents the atomic mass unit.) What fraction of its original kinetic energy does the alpha particle lose?
In the typical X-ray lamp. The electrons are accelearated in the potential difference of 10000V before hitting the water cooled electrode. Find the shortest wavelength of X-rays produced in this lamp.
The x, y, and z components of a magnetic field are Bx = 0.12 T, By = 0.18 T, and Bz = 0.17 T. A 25 cm wire is oriented along the z axis and carries a current of 5.0 A. What is the magnitude of the magnetic force that acts on this wire?
A light ray initially in water enters a transparent substance at an angle of incidence of 39.0°, Calculate the speed of light in the transparent substance
a 48000-kg space probe is traveling at a speed of 12000 ms through deep space. retrorockets are fired along the line of
Atomic physicists usually ignore the effect of gravity within an atom. To see why, we may calculate and compare the magnitude of the ratio of the electrical force, What is the magnitude of the electrical force
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A small rubber wheel is used to drive a large pottery wheel, and they are mounted so that their circular edges touch. The small wheel has a radius of 2.0cm and accelerates at a rate of 7.2rad/s^2 and it remains in contact with the pottery wheel (radi..
If a total charge Q is placed on this system, what fraction of Q sits on the larger sphere? (Give your answer as a decimal. For example, if the answer is 1/3 th
In a parallel circuit I=10.0A. There are 4 resistors. R1=13ohms R2=7ohms R3=15ohms R4=21ohms. What is the voltage drop across each resistance
A potential cannon is created to shoot charged balls straight upward. What is the maximum height, above the end of the cannon, it will reach
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