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Question

Calculate the depth at which pressure on a swimmer is 100 Pa. Given, density of water = 1000 kg/m³


  1. 0.01 m

  2. 0.1 m

  3. 0.01 cm

  4. 10 m


Solution

The correct option is A

0.01 m


Given: P = 100 Pa, density of water = ρ = 1000 kg/m³, g = 9.8 m/s²

We know that, P = ρgh

So, h = Pρg

i.e. h = 100 ÷(1000 × 9.8)

h = 0.01 m (Answer)

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