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Q. Define: grating element.
The combined width of a slit as well as a ruling in a plane diffraction grating is called as a grating element.
Obtain expression for an optical path difference for formation of circular fringe in Michelson''s interferometer
(i) Lead balls are spherical in shape. (ii) Rain leaves and a globule of mercury placed on glass plate are spherical. (iii) Hair of shaving painting brush, when goes in wate
Q . Figure shows across (b)What is the answer if there is no outer covering of the pipe? Answer Reflection, r max = 90 0 -i=90 0 -59 0 =310 Let, i max b
Na + ion is isoelectronic with: (1) Li + (2) Mg +2 (3) Ca +2 (4) Ba +2 Ans:(b) Mg +2
Sample Problem: Consider laminar flow through two infinitely wide parallel plates spaced D apart from one another. What is the thermal entry length?
why newtons 2nd law is called the real law of motion?
"At base temperature the volume of a gas differs inversely with pressure". If P and V are volume and pressure of a gas at a given temperature then
One of the practical aspects of the Engineering Profession includes the design of industrial equipment. Design could be described as a creative, iterative and sometimes open-ended
Q. Give one merit of a scanning electron microscope over a transmission electron microscope? Answer:- The SEM has turn into more popular than the TEM as it can produce ima
Infra-Red (IR) Detectors: An IR detector has an impedance of Z= (400+j200) ? . During design tests the detector current is measured as 4 µA. What is the output volta
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