UPSC CSE Prelims 2006 Q87 — Geography PYQ with Answer

Consider the following statements :

1. The Richter scale is a logarithmic scale and so an increase of 1 magnitude unit represents a factor of 10 times in amplitude.

2. Each integer reading of the Richter scale has an energy 100 times that of the previous integer reading.

Which of the statements given above is/are correct?