In a periscope, the two plane mirrors are kept
parallel to each other
perpendicular to each other
at an angle of 60° with each other
at an angle of 45° with each other
Answer is Right!
Answer is Wrong!
This question was previously asked in
UPSC CDS-1 – 2020
– A simple periscope uses two plane mirrors.
– The mirrors are placed parallel to each other.
– Each mirror is tilted at 45 degrees to the axis of the periscope.