Question:
71 A 500 watt bulb is placed at the centre of a perfectly
Last updated: 6/21/2023
71 A 500 watt bulb is placed at the centre of a perfectly black sphere of radius R 1 metre The approximate pressure experienced by the walls of the sphere as it absorbs all the photon emited by the bulb is take 4 12 6 1 1 3 x 10 7 N m 2 2 5 x 10 7 N m 3 6 3 x 10 7 N m 4 3 14 x 10 7 N m