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It consists of a long discharge tube of length 50 cm and diameter 1 cm. The tube is filled with a mixture of He and Ne in the ratio 10:1. Electrodes are provided to produce a discharge in the gas…
Answer :: The different techniques to synthesis nanomaterial are : 1.Ball milling 2.Sputtering 3.Vapour deposition 4.Sol gel technique 5.LASER synthesis 6.Inert gas condensation BALL MILLING PROCESS : 1. As the name suggests, the ball milling method consists of balls and…
Advantages of optical fiber cables on conventional electrical cables. . Large Potential bandwidth: As the optical carrier frequency is in the range of 1012 to 115 Hz it yields a far greater potential transmission bandwidth, than metallic cable systems. Therefore…
Find the divergence and curl of a vector
Derive the expression of numerical aperture for a step index fiber. A light ray enters an optical fiber from air. The fiber has core refractive index 1.52 and cladding refractive index 1.41. Find the Critical angle and Numerical aperture.
Data : Number of lines / cm (N)= 5000 m=1 λ1=5895 Å λ2=5901 Å Formula : (a+b)sinθ=Nλ mN=λ/dλ Calculations : —1 —-2 —3 Number of lines / cm required for grating is 983 Number of lines / cm available for…
Top-down and bottom-up approaches are two common strategies used in the preparation of nanomaterials, each with its own advantages and limitations. Top-Down Approach: In the top-down approach, larger structures are broken down into smaller ones until the desired nanoscale size…
Holography technique to obtain 3D image of an object: 1. Holography is the science and practice of making holograms. Holography is actually a recording of interference pattern formed between two beams of coherent light coming from the same source. 2.…
Given Data Side of prism = 40 mm Axis length = 60 mm Resting on one of its corner = HP Axis inclination with HP = 30°
Figure shows 2 views of casting , Draw an isometric view with suitable origin
