Paper 1 · People, Development & Environment
UGC NET 26 June 2025 Shift 2
How much more energy is released in an earthquake whose value is 4 on Richter Scale than in an earthquake whose value is 3 on Richter Scale?
ATwice
B10 %
C10 times ✓ Correct
D50 %
Correct answer: (C) 10 times — Each one step rise on the Richter scale corresponds to about ten times larger ground motion, and the options point to ten times. Strictly the released energy rises by about…
Explanation
★Each one step rise on the Richter scale corresponds to about ten times larger ground motion, and the options point to ten times. Strictly the released energy rises by about thirty two times for each step, so the wording is imperfect, which is why the official key marked it as dropped.
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