Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Physics Waves Standing Waves and Resonance
The density of oil is 800 kg/m3 and of the water is 1000 kg/m3. The height h of the column of the oil shown in the figure is
1
2 cm
2
10 cm
3
7.2 cm
4
More than one of the above
5
None of the above