Important Inventions and Discoveries in World » Exercise – 1
2. What is the name of the CalTech seismologist who invented the scale used to measure the magnitude of earthquakes?
(a) Charles Richter
(b) Hiram Walker
(c) Giuseppe Mercalli
(d) Joshua Rumble
| Subject Name : General Knowledge |
| Exam Name : UPSC, SSC, KVS, NVS, IBPS, RBI, SBI, RRB |
| Posts Name : Post Graduate Teacher, College Lecturer, Officer, Office Assistant, Clerk |
| General Knowledge Books |
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