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Define Surface Contaminations (Wisconsin-Madison)?
A surface scientist wishes to remain an exposed surface "clean" (≤ 0.05 adsorbed monolayer) for an experiment lasting for times t≥5 h at a temperature T =300K. Calculate approximately the needed data and calculate a value for the required background pressure in the apparatus if each incident molecule sticks to the surface.
(i) It is the length of single wave. (ii) Wavelength is similar to the distance covered by the wave during the time in which any one particle of the medium done one vibration ab
Necessity Of A Starter For D.C Motors When motor is at rest, then N=0 and due to Eb is directly proportional to N, so At begin E b = zero Thus armature current at t
Olbers' paradox (H. Olbers; 1826): If the Universe is uniform, infinite & unchanging then the whole sky at night would be bright regarding as bright as the Sun. The further yo
how to created physica assignment
What is motion
Q. Illustrate why does it take longer to heat a bucket of water than a cup of water? Answer:- For the reason that there is more water in a bucket than in a cup and more en
Q. Illustrate what does hull speed mean? Answer:- Hull speed- It is the theoretical limit of a sail craft's speed. It is able to be approximated by the following formula
If the refractive index of a medium is 1.5, determine the critical angle. Write the difference between telescope and microscope.
Horizontally Launched Projectiles Suppose a cannonball being launched from cannon atop a extremely high cliff. Imagine as well in which the cannonball does not encounter a impo
a rocket is launched at an angle 53 degree to the horizontal with a speed of 100 m/s. it moves along its initial line of motion with an acceleration of 30m/s for 3 seconds. at thi
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