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Which of the following has maximum specific heat?

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Airforce Group X MBT 14-Jul-2021 Shift 3
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  1. Water
  2. Alcohol
  3. Glycerene
  4. Oil

Answer (Detailed Solution Below)

Option 1 : Water
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Detailed Solution

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CONTENT:

  • Specific heat: It is defined as the amount of heat required to increase the temperature by 1°K for 1 kg of material.

⇒ Q = C m ∆t     -----(1)

Where Q(J) = quantity of heat absorbed by a body, m(kg) = mass of the body, ∆t(°K) = Rise in temperature, and C = Specific heat

  • S.I unit of specific heat is t is J kg-1 K-1.

EXPLANATION:

Material Specific heat (J kg-1 K-1)
Water 4200
Alcohol 2300
Glycerine 2430
Oil 1670
  • From the above table, it is clear that water has maximum specific heat. Therefore option 1 is correct.

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