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Explain about the transmission electron microscope.
The Transmission Electron Microscope
Transmission electron microscopy (TEM) is a microscopy method; a beam of electrons is transmitted by an ultra thin specimen. An image is made through the electrons transmitted by the specimen, magnified and focused through an objective lens and appears onto an imaging screen, this may be either fluorescent screen, or onto a layer of photographic film, or to be detected through a CCD camera.
A baton twirler throws a spinning baton directly upward. As it goes up and returns to the twirler's hand, the baton turns through four revolutions. Ignoring air resistance and assu
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what are they and how do you measure them
What is radiation
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the magnetic field at a dictance of 2cm from the axis of a straight conductor carrying current is 12mT.Find the currentin the conductor?
In the case of orientation polarization we have material with built _in dipoles that are independent of each other, i.e. they can rotate liberally in sharp distinction with ionic p
A Rayleigh interferometer (as shown in the figure below) can be used to measure the index of refraction of air. Two transparent tubes (T 1 and T 2 ) are placed behind two slits. O
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