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Explain the working of Michelson's interferometer. How circular fringes he produced with it.
(a) What are antireflection films and interference filters?
(b) Find the reflectivity of a glass surface of refractive index 1.6 when a light beam is incident normally on it.
Theore m of perpendicular axis It states that if I X X and I Y Y be the M.I. of plane section about the two mutually perpendicular axes meeting at a point. Th
For a few of the following problems the constant acceleration is due to gravity and will be notated as a = g = 32 ft/sec 2 . 'g' perhaps positive or negative depending on the conte
Compute amplitude and frequency of the particle: The displacement of a particle is described by x = 5 + 3 cos 3 t. Determine the position of the particle at t = 3 seconds. Com
case study of thermal stresses and composite bar
Alignment of a Railway Line: Selection of Alignment The following points must be considered in selecting the alignment of a railway line : (a) It should be as direct
1. store energy 2. apply force on a body 3. balance force between two bodies 4. absorb vibrations of body
Select a standard rolled steel I-section for the simply supported beam shown in figure below. Select an appropriate factor of safety and material strength. Include references for
A 68.0 kg crate rests on a level floor at a shipping dock. The coefficients of static and kinetic friction are 0.780 and 0.430, respectively. (a) What horizontal pushing force i
Explain Gauge Pressure (P gauge ) Gauge Pressure is the pressure of a fluid contained in a closed vessel. It is all time more than atmospheric pressure. It is calculated by an
What is the difference between blowholes & porosity in casting ?
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