Lakhmir Singh & Manjit Kaur - Physics

Book: Lakhmir Singh & Manjit Kaur - Physics

Chapter: 3. Sources of Energy

Subject: Physics - Class 10th

Q. No. 23 of Short Answer Type Questions-Pg-140

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If the energy received by 5 m2 area in 10 minutes is 4200 kJ, calculate the value of solar constant.

Area, A=5 m2

Time, t=10 min


E=4200 kJ

Solar constant =E/(A x t)


=1.4 kJ/s/m2

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