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- Compute the maximum radius allowed for a fiber having core refractive index 1.5 and 1.48. Compute the maximum radius allowed for a fiber having core refractive index 1.5 and 1.48. the fiber is to support only one mode at a wavelen... 2
- What is a grating? Define grating element? A diffraction grating is a plane glass plate with a large number of equidistant, parallel, very fine slits (ruled lines); the grating elemen... 1
- Discuss the phenomenon of Fraunhofer’s diffraction at a single slit FRAUNHOFER DIFFRACTION AT SINGLE SLIT Let us first consider a parallel beam of light incident normally on a slit AB of width ‘a’ which is of... 1
- With neat energy level diagram describe the construction and working of a He-Ne Laser. 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. El... 1
- What are different techniques to synthesize nanomaterials? Answer :: The different techniques to synthesis nanomaterial are : 1.Ball milling 2.Sputtering 3.Vapour deposition 4.Sol gel technique 5.LAS... 1
- State the advantages of optical fiber cables on conventional electrical cables. Advantages of optical fiber cables on conventional electrical cables. . Large Potential bandwidth: As the optical carrier frequency is in th... 1
- Find the divergence and curl of a vector Find the divergence and curl of a vector 1
- Derive the expression of numerical aperture for a step index fiber. Derive the expression of numerical aperture for a step index fiber. A light ray enters an optical fiber from air. The fiber has core refract... 2
- Light is incident normally on a grating 0.25 cm wide with 1250 lines. 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 r... 2
- Explain top down and bottom up approaches to prepare nanomaterials. Top-down and bottom-up approaches are two common strategies used in the preparation of nanomaterials, each with its own advantages and limit... 1
- Explain the construction and reconstruction of hologram. Holography technique to obtain 3D image of an object: 1. Holography is the science and practice of making holograms. Holography is actually... 1
- A square prism with side of base 40 mm and axis height 60 mm is resting on HP Given Data Side of prism = 40 mm Axis length = 60 mm Resting on one of its corner = HP Axis inclination with HP = 30° 1
- A line AB, 70mm long, has its end A 15mm above HP and 20mm in front of VP. Given Data:- TL = a’b1’ = ab2 = 70 mm a’ (↑) = 10 mm a (→) = 20 mm θ = 30° Φ= 45° 1
- Given data = { 2, 3, 4, 5, 6, 7 ; 1, 5, 3, 6, 7, 8 }.Compute the principal component Solution : data = { 2, 3, 4, 5, 6, 7 ; 1, 5, 3, 6, 7, 8 }.Compute the principal component using PCA Algorithm. 2
- What is the curse of dimensionality? What are the Feature Handling the high-dimensional data is very difficult in practice, commonly known as the curse of dimensionality. If the dimensionality of th... 2
- Draw a block diagram of the Error Back Propagation Algorithm The Error Back Propagation Algorithm, commonly referred to as Backpropagation, is a fundamental algorithm used for training artificial neura... 1
- Draw Delta Learning Rule (LMS-Widrow Hoff) model and explain it with a training process flowchart. The Delta Learning Rule, also known as the LMS (Least Mean Squares) algorithm or the Widrow-Hoff rule, is a method for adjusting the weights... 1
- Explain the Perceptron Neural Network A perceptron is one of the earliest and most basic types of artificial neural networks. It was introduced by Frank Rosenblatt in 1957 and is... 1