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Spectrum and electromagnetic radiations: What is a spectrum? Ans: A spectrum is a group of wave lengths or frequencies. What are the electromagnetic radiations? Ans:
Detection (Receiver): The antenna receiver these modulated waves from different transmitting stations. Channel selector selects the desired signals. The selected signals are am
How is plastic fibre material used in optical fibres? Plastic fibre: Plastic fibre is classically made of plastic. Such are low cost optical fibres. They have a huge NA and
Q. Derive Schrodinger's time dependent wave equation. What is the physical significance of wave function used in this equation? Ans. Time Dependent Schrodinger's Eq
Illustrate about laser beam welding in short. Laser beam welding: Laser beam welding (LBW) is a welding technique utilized to join multiple pieces of metal by the use of a l
what is newtons law
Introduce concept about the carbon dioxide laser. A test target is vaporized and bursts within flame onto irradiation through a high power continuous wave carbon dioxide laser
Put a nail in the lower end of a candle. The nail should be just the right weight to make the candle float with its top a little above the surface of the water. Float the candle an
Alloying: When an impurity atom of a different size compared to the host atom is placed into the crystal lattice, the impurity atom distorts the resin around it, either by pushing
state and explain malus law?
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