Q. Which of the following is/are matched correctly? 1. Earthquake's origin - seismic focus 2. Epicentre - point on earth's surface directly above seismic focus 3. 5 waves - similar to sound waves 4. Richter scale - severity of earthquake (Solved)
1. 1, 2, 3
2. 1, 2, 3 and 4
3. 2 and 4
4. 3 and 4
- b. 1, 2, 3 and 4