Solved UPSC CDS/OTA Question
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Q · EarthquakeMedium · 45s
Consider the following statements: Earthquake magnitude is logarithmic. Each whole number increase on the Richter scale represents a tenfold increase in amplitude. Which is/are correct?
TopicEarthquake
Question Typemultiple choice
DifficultyMedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
The complete worked solution.
Every step explained - no skipped algebra.
Explanation:
The Richter scale is logarithmic; an increase by 1 means 10 times amplitude and ~32 times more energy.
Final Answer: Option C - Both 1 and 2