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Demonstrate how a periscope works with this teaching aid. Use as a front of class aid or an interactive group tool. Encourage students to interact and make their own observations.
A periscope works on the Laws of Reflection which states that the light from the object falls on one mirror at a 45o angle from the object and is reflected. This reflected light then falls on another mirror and is again reflected until it reaches the human eye.
Periscopes can be constructed using a pair of flat mirrors or prisms and a rectangular hollow tube that has a viewing window at the top and bottom of the tube. The mirrors within this structure are fixed at an angle of 45o at the two ends of the rectangular hollow.
Periscopes are found in a variety of applications; however, they are almost synonymous with their use in submarines for general navigation and detection, as well as radar and their ability to determine potential nearby threats. In a similar 'threat detection' application, periscopes are often used on battlefields to look out of trenches safely without exposing the observer's body. One of the most widely used applications for periscopes is in medicine, as a result of their ability to be less obtrusive method diagnostic techniques as compared to surgical procedures.
Product Details:
1 x Periscope Reflection Physics
Package Size: 35cm x 10cm x 5cm
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