The diameter of the sun subtends an angle of 0.50 at the surface of the earth. A converging lens of focal length 100 cm is used to provide an image of the sun on a screen. The diameter ( in mm) of the image formed is nearly
The diameter of the sun subtends an angle of 0.50 at the surface of the earth. A converging lens of focal length 100 cm is used to provide an image of the sun on a screen. The diameter ( in mm) of the image formed is nearly