Question

Name of the device which can be used to see things on the other side of a high wall ( without climbing the wall)

Answer 1

Periscope ,  is used ..... Hm... X ray beams ..

Answer 2

Answer:

Periscope

Explanation:

Periscope is a kind of instrument which is used to observe or see the object even though there is not a direct sight for the object or there is a presence of any obstacle.  The instrument consists of outer case placed with the mirrors which are parallel to each other and are placed at an angle of 45° angle. This helps to see objects.

It is the device which can be used to see the things which are on the other side of a wall without actually climbing the wall.