A fluid jet discharging from a 4 cm diameter orifice has a diameter 3 cm at its vena contracta. If the coefficient of velocity is 0.98, the coefficient of discharge for the orifice will be -

- 1
  
  $0.98 \times {(0.75)}^{2}$
- 2
  
  $\frac{{(0.75)}^{2}}{0.98}$
- 3
  
  $0.98 \times {(1.33)}^{2}$
- 4
  
  $\frac{0.98}{{(1.33)}^{2}}$

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