1.

When the pressure is uniformly distributed over entire area, then the intensity of pressure is ______________?

A. W/ (π(r<sub>1</sub><sup>2</sup> – r<sub>2</sub><sup>2</sup>)
B. W/ (π(r<sub>1</sub><sup>2</sup> + r<sub>2</sub><sup>2</sup>)
C. W/ (π(r<sub>2</sub><sup>2</sup> – r<sub>1</sub><sup>2</sup>))
D. W/ (π(r<sub>2</sub><sup>2</sup> x r<sub>1</sub><sup>2</sup>))
Answer» B. W/ (‚âà√¨‚àö√ë(r<sub>1</sub><sup>2</sup> + r<sub>2</sub><sup>2</sup>)


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