A concave mirror of focal length 20 cm is cut into two halves. One half is rotated by 1° while the other remains fixed. For a distant axial object, find the approximate angular separation in degrees between the two reflected chief rays.
A concave mirror of focal length 20 cm is cut into two halves. One half is rotated by 1° while the other remains fixed. For a distant axial object, find the approximate angular separation in degrees between the two reflected chief rays.