Yokka Stars

Task id13186

Task id13186

Seller: nerdmavr

Price: 0.17 USD

Available. The final price depends on the selected options and is checked before payment.

Product description

What is easier to set fire to a piece of wood: with a concave mirror with a frame diameter D = 1 m and a radius of curvature R = 10 m or a lens with a diameter d = 2 cm and a focal length F2 = 4 cm? The source of light is the Sun.

Additional information

Detailed solution. Format gif