All In One Science

Book: All In One Science

Chapter: 14. Source of Energy

Subject: Physics - Class 10th

Q. No. 17 of Chapter Exercise

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The solar constant at a place is 1.4 kW/m2. How much will solar energy be received at this place per second over an area of 5 m2?


Solar Constant = 1.4 kW/m2


Solar energy received at area of 1 m2 = 1.4 kW/m2

So the energy received at an area of 5m2 = 5 × 1.4

= 7 kW/m2

Chapter Exercises

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