Question

in perescope angle mirrors are placed on the​

Answer 1

In Periscope angle mirrors are placed at a 45° angle, because light always reflects away from a mirror at the same angle that it hits it. In a periscope, light from an object strikes the top mirror at 45° and bounces off at the same angle. This sends light directly down the tube and onto the lower mirror.

Answer 2

$\huge \pink {45 \:degree\:angel}$