IS 1893 (भाग 1): 2002 के अनुसार, ______ का अनुमान लगाने के लिए तन्यता कारक (ductility factor) पर विचार किया जाता है।

Select the correct option regarding the instruments used to measure earthquakes: Statement I: Accelerographs are used to measure relatively weak ground motions. Statement II: Strong ground motions are measured by seismographs.

Seismic base isolation involves increasing the ________ of a structure, resulting in lower response frequencies compared to those of fixed-base structures.