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What is Attenuation?
Attenuation:
Attenuation is a reduction within the amplitude and intensity of a signal. This is a significant property into optical communications. This is a natural effect of signal transmission over long distances. This is sometimes termed as 'loss'. Loss or Attenuation in fibre is measured into units of decibels per unit length of medium (dB/ km).
#quest. Imagine a small observer is positioned in front of the cork in your picture above. As the cork approaches, the observer measures the wavelength of the waves passing by. How
An organ pipe which is open at both ends resonates at its fundamental frequency. Neglecting any end effects, what wavelength is formed by this pipe in this mode of vibration i
A see-saw lever Get a thick plank about 3 m long and bring it into the class room. Balance it over a box or some other suitable device and let the pupils experiment with the se
when the body is uniform motion
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a person holds of hay over his head for 30 min and gets tired . has he done some wirk or not? justify your answer
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Q. What are coherent sources? Two sources are alleged to be coherent if they emit light waves of the same wave length and start with same phase or have a constant phase differ
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