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Q. Illustrate about Optical Memories?
In 1983 one of the most successful consumer products of all times was introduced which is compact disk (CD) digital audio system. This CD was a non-erasable disk which could store more than 60 minutes of audio information on one side. Huge commercial success of this CD enabled development of low-cost optical-disk storage technology that has revolutionised computer data storage. Some optical-disk systems has been introduced. We briefly review each one of these.
Q. What are de Broglie waves? Matter in motion should be accompanied by waves called de Broglie waves. de Broglie wavelength λ = h / mv
A coil of 300 turns is wound uniformly on a ring of non-magnetic material. The ring has a mean circumference of 40cm and a uniform cross-sectional area of 4cm 2 . If the current in
how to prepare a working model on electromagnetic induction?
What are the sources of dispersion in optical fibers? Sources of Dispersion into Optical fibers: The key sources of dispersion of pulses within optical fibers can be catego
Production of sound messages by a microphone in a radio station (studio). 1) Audio frequency generation. 2) Generation of r.f. carrier wave. 3) Modulation in a transmitter, b) 4
(i) The size examines cannot be operated to derive relations other than product of power functions, for example, s = ut + 1/2 at 2 or y = y 0 cosωt and so on, cannot be derived
discuss about entropy of ideal gas
Two travelling sinusoidal waves are described by the wave functions Y1 = 55.00 sin[π(4.00x - 1200t)] Y2 =55.00 sin[π(4.00x - 1200t - 0.250)] where x, Y1 , and Y2 are in meter
(i) Effect of temperature: (a) In general elasticity reduces as the temperature increases. (b) Invar is an exception. There is no effect of temperature on elasticity of in
There is a maximum depth at which a diver can breathe through snorkel tube because as the depth increases, so does the pressure difference, tending to collapse the diver's lungs. S
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