2 plane mirrors each of length 10cm are placed at a separation of 1 cm (parallel to each other). a ray of light is incident at an angle of 45 on one of the mirrors as shown . how many times it will undergo reflection before going out from the other end ??
2 plane mirrors each of length 10cm are placed at a separation of 1 cm (parallel to each other). a ray of light is incident at an angle of 45 on one of the mirrors as shown . how many times it will undergo reflection before going out from the other end ??
