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Q. Illustrate what is dissimilar between secondary electron image and back scattered electron image?
Answer:-
Secondary electron images demonstrate topography of a sample. Back scattered electron images demonstrate difference in composition or more exactly difference in atomic number over a sample.
At a distance of 4,000 ft from the launch site, a spectator is observing a rocket being launched. If the rocket lifts off vertically and is rising at a speed of 600 ft/sec when it
Interference of Rectangular Pulses: Two rectangular wave pulses are on a stretched string traveling toward each other. Each pulse is traveling with a speed of 1.00 mm/s. If the lea
Which phrase would be incorrect to use: (1)A molecular of a compound (2)A molecule of an element (3)An atom of an element (4)None of these Ans: (2)A molecule of a
Q Define: mobility. Give its unit. The mobility is defined as the drift velocity obtains per unit electric field. The unit of a mobility m 2 V 1s 1.
Q. Illustrate about Optical Memories? In 1983 one of the most successful consumer products of all times was introduced which is compact disk (CD) digital audio system. This CD
diffenrence between pure and impure spectrum.
Refractive Astronomical Telescope: It is an optical instrument which is used to see heavenly bodies such as stars, moon and planets is known as telescope. Astronomical teles
what is elastic collision
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what is sound wave
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