Q. A uniform steel rope 400 metres long is hung vertically. The weight of the steel is 7.8 gm/cm3 and D = 2100 kg/mm2. The ratio of elongation of first 150 metres to that of first 300 metres would be (Solved)
1. 1 ; 2
2. 1 ; 4
3. 2 ; 1
4. 4 ; 1
5. 16 ; 1
- b. 1 ; 4