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An increase of 2 on the Richter scale means how much more energy?
A1000 times
B10 times
C100 times
D2000 times
Answer & Solution
Correct answer: A. 1000 times
1. The Richter scale is not a linear scale.
2. A magnitude 6 quake is far worse than a magnitude 4 one.
3. An increase of 2 means 1000 times more destructive energy.
4. So the answer is 1000 times.
_Source: NCERT Class 8 Science, Ch 12 'Some Natural Phenomena'_
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