Answers

2014-10-20T20:40:01+05:30
The way in which our sense-organs (eye, ear, etc.) perceive the outside world (light, sound, etc.) is logarithmic; e.g., if a sound becomes an times stronger, we only perceive it as n times stronger.
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2014-10-21T21:25:39+05:30
They are important in measuring magnitude of earthquakes,radioactive decay,population growth,calculation of interest rates,number of decibals of sound.
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