Using a dish-shaped mirror, a solar cooker concentrates the sun's energy onto a pot for cooking. A cooker with a 1.2-m-diameter
dish focuses the sun's energy onto a pot with a diameter of 25 cm What is the intensity at the base of the pot
1 answer:
Answer:
26500 W/m²
Explanation:
Given that:
The diameter of the dish d = 1.2 m
Assuming the Solar power P capture by the dish = 1300 W
The surface area of the pot is calculated by using the formula:


where; the diameter = 25 cm
Area = 
Area = 
Area = 0.049 m²
The intensity is calculated by using the formula
I = power/area
I = 1300/0.049
I = 26530.6 W/m²
I ≅ 26500 W/m²
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