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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.
What is the wavelength of electromagnetic waves of frequency 5 x 1019Hz in free space? Give its two applications.
(i) The size examines cannot be operated to derive relations other than product of power functions, for example, s = ut + 1/2 at 2 or y = y 0 cosωt and so on, cannot be derived
In utilizing Kirchoff's Laws to analyze a circuit a student correctly calculates a negative value for one of the currents in the circuit. What does the negative sign signify?
Laboratory tweezers Very serviceable tweezers can be made from lengths of flexible strap iron used to place around boxes and creates for shipment. The tweezers shown are abo
potential energy
A 2.1 kg block slides along a horizontal surface with a coefficient of kinetic friction μ k = 0.31. The block has a speed v = 1.4 m/s when it strikes a massless spring head-on.
The following three impedances are connected in series across a 40V, 20kHz supply: (i) a resistance of 8, (ii) a coil of inductance 130µHand5 resistance, and (iii) a 10 r
State and illustrate Huygens' principle. Explain the consequences of total internal reflection.
example of like paralle forces
The internal energy change when a system goes from state A to B is 40 kJ/mole. If the system goes from A to B by a reversible path and returns to state A by an irreversible path wh
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