How much solar energy will be received by 1 m² area in one hour if the solar constant be 1.4 kW/m²?

Academic Physics NCERT Class 10

Given,

Solar constant = 1.4 kW/m2 = 1.4 kJ/s/m2(converted kilowatt into kilojoule second)

Area = 1 m2

Time = 1 hour = 60 × 60 = 3600 s (converted hour into second)

Solution

According to the question, we know that-

Solar energy received by 1 m2 area in 1 s = 1.4 kJ

Then, Energy received by 1 m2 area in one hour = 3600 s × 1.4 kJ/s/m2 = 5040kJ/m2

$\left[3600s\times \frac{1.4kJ}{s{m}^{2}}=\frac{3600\times 1.4kJ}{{m}^{2}}=5040kJ/{m}^{2}\right]$

Thus, the solar energy received by 1 m2 area in one hour will be 5040 kJ.

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Updated on: 10-Oct-2022

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