11) The two water reservoirs shown in Fig. 13-3 are open to the atmosphere. The manometer contains oil with a density of 820 kg/m3. What is the difference in elevation h if the manometer reading m is 25.0 cm? e) 0.045 m b) 0.205 m a) 0.065 m c) 0.025 m d) 0.115 m FIGURE 13-3 250 cm