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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.
Enrique Iglesias belts out a high-C (1024 Hz) from the deck of his yacht. What is the wavelength of this sound wave in the surrounding air? As the sound wave enters the ocean below
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As regards cases involving the application of the Biot-Savart Law to calculate the magnetic field due to an electric current which of the following statements about why it is relat
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A charge of 1.5µC is carried on two parallel rectangular plates each measuring 60mm by 80mm. Measure the electric flux density. If the plates are spaced 10mm apart and the v
For the square voltage waveform displayed on an oscilloscope shown in Figure, find (a) its frequency, (b) its peak-to-peak voltage.
A closed magnetic circuit of cast steel have a 6cm long path of cross-sectional area 1 cm 2 and a 2 cm path of cross-sectional area 0.5cm 2 . A coil of 200 turns is wound arou
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What are the objectives of annealing? Slow cooling rate from the eutectoid temperature yields course pearlite - a mixture of relatively coarse crystals of ferrite and cementite
Compton effect (A.H. Compton; 1923) An effect which demonstrates that photons (the quantum of electromagnetic radiation) contains momentum. At a stationary particle, a photon
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