Question 5 (8 points) A black ball of radius of 7. 00 cm can be considered a perfect black-body radiator The temperature of the ball is 340 K. a. Calculate the peak wavelength of the spectrum of electromagnetic radiation emitted. (2) b. Calculate the power per unit area emitted from the ball. (2) c. Calculate the total power emitted from the ball. (2) d. Calculate the intensity of radiation received at a distance of 3. 50 m from the ball. (2)