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Q. Orbital Velocity for Low Earth Orbit
Neglecting air friction an object will sustain a low altitude orbit when the centrifugal force due to its motion in a circular orbit is equal to the gravitational force attracting it to earth.
Note that for these circumstances the centripetal force is provided by gravitation attracting the object toward the earth's centre. The reactive force directed absent from the earth is centrifugal.
what is the methods of dealing with cultural uncertainty is the least successful?
Simple Microscope: A simple microscope of magnifying glass is a convex lens which form virtual erect and magnifying image of an object which is placed with in it's focal length
What is a thin prism? Write the mathematical expression for deviation produced by a thin prism.
Q. Define Tangent law? A magnetic needle suspended at a point wherever there are two crossed fields at right angles to each other will come to rest in the direction of the res
explain the maxima and minima in fraunhoffer difraction
A weakly guiding fibre with a particular graded core index has cut-off V-values for its 2nd, 3rd and 4th modes of 2.5, 3.9 and 5.2, respectively. The core radius is 4 microns, the
Write a mathematical expression for refractive index of the material of a prism in terms of its angle. Is the mathematical expression true for all positions of the prism?
Specially designed diodes, which give out light radiations when forward biases. LED'S are made of GaAsp, Gap etc.
A simple jack screw Bore a hole by a block of wood to fit a carriage bolt. Choose a bolt that is threaded nearly its whole length. Sink the head of the bolt in the wood, so tha
What is a monochromatic light? Ans: Breaking the word down mono denotes one and chromatic means of colour so a fairly literal translation for the adjective monochromatic w
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