Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R
Assertion (A) : In desert area, days get hot fastly and the nights get cold fastly.
Reason (R) : The specific heat capacity for air and land is less than that of water.
In the light of the above statements, choose the correct answer from the options given below
Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R
Assertion (A) : In desert area, days get hot fastly and the nights get cold fastly.
Reason (R) : The specific heat capacity for air and land is less than that of water.
In the light of the above statements, choose the correct answer from the options given below
- If both assertion and reason are true and reason is the correct explanation of assertion.
- If both assertion and reason are true but reason is not the correct explanation of assertion.
- If assertion is true but reason is false.
- If both assertion and reason are false.
The Correct Option is A
Solution and Explanation
Answer (a) If both assertion and reason are true and reason is the correct explanation of assertion.
Assertion : In desert area, days get hot fastly and the nights get cold fastly. (Correct)
Reason : The specific heat capacity for air and land is less than that of water. (True and correct explanation)
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Concepts Used:
Specific Heat Capacity
Specific heat of a solid or liquid is the amount of heat that raises the temperature of a unit mass of the solid through 1°C.
Molar Specific Heat:
The Molar specific heat of a solid or liquid of a material is the heat that you provide to raise the temperature of one mole of solid or liquid through 1K or 1°C.
Specific Heat at Constant Pressure or Volume:
The volume of solid remains constant when heated through a small range of temperature. This is known as specific heat at a constant volume. It is denoted as CV.
The pressure of solid remains constant when heated through a small range of temperature. This is known as specific heat at constant pressure which can be denoted as CP.