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Standard XII
Physics
Question

Water enters a house through a pipe with an inside diameter of 2cm at an absolute pressure of 4×105Pa. A pipe of diameter 1cm leads to the second floor room 5m above the entry point. When the flow speed at the inlet is 1.5m/s. Which of the following statements are correct.
  1. Flow speed on the second floor room is 6m/s
  2. Volume flow rate in the second floor room is nearly 0.47L/s
  3. Water pressure in the second floor room is approximately 3.33 atmosphere
  4. Water pressure in the second floor room is 3.50 atmosphere

A
Water pressure in the second floor room is 3.50 atmosphere
B
Volume flow rate in the second floor room is nearly 0.47L/s
C
Flow speed on the second floor room is 6m/s
D
Water pressure in the second floor room is approximately 3.33 atmosphere
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