Mirrors for the simplest, combined with optics if your periscope has magnification. It may well incorporate direction and range indication.
You can use the word Periscope a few ways in a sentence. You can write the sentence I am going to periscope the website.
There are no mirrors in a periscope - they use prisms. But you could use two at 45 degrees to the object and observer, parallel to one another
The word "periscope" is a noun. It refers to a device used for seeing over obstacles or around corners, typically by the use of mirrors and lenses.
The Captain used the periscope to locate the enemy ships.A periscope is the eye of a submarine.
A periscope makes use of the property of reflection to redirect light. Light enters one end of the periscope, reflects off mirrors inside the periscope, and then exits at the other end, allowing the viewer to see objects outside their direct line of sight.
The mirrors are fitted at 45 degree angles in a periscope in the opposite directions. when you see through the periscope, the image gets reflected.
Periscopes allow a submarine, when submerged at a shallow depth, to search visually for nearby targets and threats on the surface of the water and in the air. When not in use, a submarine's periscope retracts into the hull.
A periscope uses mirrors to reflect light. Light enters the periscope through a top opening and is then reflected off internal mirrors to allow the viewer to see objects at a different angle from the periscope's location without exposing themselves.
In paintball wars, a periscope is a handy way to look around a corner without getting shot. With only its periscope out of the water, a submarine was nearly impossible to spot at a distance.
The periscope was invented in 1450 by Johann Gutenberg.
submarineSubmarines use them.
periscope