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A nonlinear scale used when there is a large range of quantities is termed as

  • A.exponential scale
  • B.non linear scale
  • C.algebraic scale
  • D.logarithmic scale

Answer: D

A logarithmic scale spaces values by their logarithm rather than by their size, so each fixed step multiplies the quantity by a constant factor:

\[ 1,\; 10,\; 100,\; 1000 \;\longrightarrow\; 0,\; 1,\; 2,\; 3 \]

That is what lets a single axis hold a range spanning many orders of magnitude. The decibel, the Richter scale and pH all work this way. Non linear scale is true of a logarithmic scale but describes a whole family rather than naming this one.

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