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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.
Each phase of a delta-connected load comprises a resistance of 30Ω and an 80µF capacitor in series. The load is connected to a 400V, 50Hz, 3-phase supply. Calculate (
clipper circuits
Working of terrestrial telescope
Primary cell Is that cell in which electrical energy is produced because of chemical energy. In the primary cell, chemical reaction is irreversible. This cell cannot be recharged.
The record for the highest speed achieved in laboratory for a uniformly rotating object was 2.01*10^3 m/s for a0.15-m long carbon rod. What was the period of rotation of the rod?
A tunning fork produces 4 beats per second with another tunning fork of frequency 256 Hz. The first one is now loaded with a little wax and the beat frequency is found to enhance t
the two point charges +10 nano coulomb and -20 nano coulomb are seperated by a distance 0.1m. calculate the neutral poiint along the line joining two charges.
What is the change in temperature of 2.2 kg of the following substances if 8.5 x 10 3 J of thermal energy is added to each of the substances? a. ice b. Water c. Alumi
Piles of snow on slippery roofs can become dangerous projectiles as they melt. Consider a chunk of snow at the ridge of a roof with a pitch of 27. As the snow begins to melt, the c
A ball leaves a girl's hand with an upward velocity of 6 meters per second. What is the maximum height of the ball above the girl's hand? Ans: A ball leaves a girl's hand w
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