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#1 2017-10-02 06:38:33

hamidoon123
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Registered: 2017-09-21
Posts: 50,766

If a liquid of mass 'm' requires thermal energy '∆Qᵥ' ...

9th Class Punjab Board Exams Quizzes MCQs Quizzes Punjab Physics Online 9th Class Test Lesson 8 Thermal Properties Of Matter

Question:
If a liquid of mass 'm' requires thermal energy 'Qᵥ' completely change into gas at its boiling point without any change in its temperature, then its latent heat of vaporization can be calculated as following:

Option A):
Hᵥ = cm ∆Qᵥ
Option B):
Hᵥ =  ∆Qᵥ/m
Option C):
Hᵥ = m/ ∆Qᵥ
Option D):
Hᵥ = m∆Qᵥ

Correct Answer is Option B):
Hᵥ =  ∆Qᵥ/m

2017-10-02 06:38:33

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Re: If a liquid of mass 'm' requires thermal energy '∆Qᵥ' ...



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