Question

Sunlight, with an intensity of 667 W / m², strikes a flat collecting surface perpendicularly and is totally absorbed. The area of the surface is 9.03 m². What is the force in micro-newtons that acts on the surface due to the sunlight?

Answer 1

F = 20.07 μN

Step-by-step explanation:

given,

intensity of sunlight = 667 W/m²

area of surface = 9.03 m²

speed of light = 3 x 10⁸ m/s

force = ?

we know

force =
`intensity * (Area)/(speed of light)`

force =
`667 * (9.03)/(3* 10^8)`

F = 20.07 x 10⁻⁶ N

F = 20.07 μN