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JEE Main2014PhysicsMechanical Properties of SolidsActual

The bulk moduli of ethanol, mercury and water are given as 0.9,25 and 2.2 respectively in units of 10^9 Nm ⁻² . For a given value of pressure, the fractional compression in volume is V V . Which of the following statements about V V for these three liquids is correct ?

Options

  1. AEthanol > Water > Mercury
  2. BWater > Ethanol > Mercury
  3. CMercury > Ethanol > Water
  4. DEthanol > Mercury > Water

Correct answer

A. Ethanol > Water > Mercury

Step-by-step solution

Compressibility = 1 Bulk modulus As bulk modulus is least for ethanol (0.9) and maximum for mercury (25) among ehtanol, mercury and water. Hence compression in volume V V Ethanol > Water > Mercury

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