5) If the average intensity of light reaching the Earth from the Sun is 1400 W/m. a) What is the average power produced by the Sun? b) What is the intensity of the light received at Mercury which is at a distance of 5.8x10? m from the Sun? - 6) A 60-W light bulb shine light in all directions. a) What is the light intensity of the light 2 meters from the bulb? b) What is the light intensity of the light10 meters from the bulb?

5 . If the average intensity of light reaching the Earth from the Sun is 1400 W 2 , m a) What is the average power produced by the Sun? (Hint: the Earth-Sun distance is about 93 million miles). b) What is the intensity of the light received at Mercury which is at a distance of 5.8x10 0 m from the Sun? 6. A 60-W light bulb shine light in all directions. a) What is the intensity of the light 2 meters from the bulb? b ) What is the intensity of the light 10 meters from the bulb