Question

of matter at a glance.
Example 9.5 The average depth of Indian
Ocean is about 3000 m. Calculate the
fractional compression, AV/V, of water at
the bottom of the ocean, given that the bulk
modulus of water is 2.2 x 10°N m-2(Take
g = 10 m s-)
3500 m​

Answer 1

Step-by-step explanation:

We know one thing

P = P₀ + ρgh

Where P₀ is the atmospheric pressure , g is acceleration due to gravity, h is the height from the Earth surface and ρ is density of water

Here, P₀ = 10⁵ N/m² , g = 10m/s² , h = 3000m and ρ = 10³ Kg/m³

Now, P = 10⁵ + 10³ × 10 × 3000 = 3.01 × 10⁷ N/m²

Again, we have to use formula,

B = P/{-∆V/V}

Here, B is bulk modulus and { -∆V/V} is the fractional compression

So, -∆V/V = P/B

Put , P = 3.01 × 10⁷ N/m² and B= 2.2 × 10⁹ N/m²

∴ fractional compression = 3.01 × 10⁷/2.2 × 10⁹ = 1.368 × 10⁻²

Hence the ans is D

Answer 2

Answer:

35535" %hcgh

Step-by-step explanation:

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