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A bathroom mirror has a reflective film (usually sputtered silver) applied to its rear surface. Unfortunately rear reflective surface mirrors produce slight double images since a small amount of light reflects off of the front surface of the glass in addition to the light reflected off of the silver on the rear glass surface. A front surface mirror has a reflective film (usually an extremely thin layer of vacuum deposited aluminum) applied to the front surface of the glass.
The problem with the above types of mirrors is that salt water is corrosive to metals. Salt water exposure would quickly eat away at the silver or aluminum coatings which create the reflection in the above types of mirrors. So instead periscopes use right angle glass prisms since right angle glass prisms inherently produce an internal reflection, since no metal film is needed in order to create this internal reflection, and since the glass is very resistant to corrosion from salt water.
What else can I help you with?
What might be an advantage of collecting evidence in a natural setting rather than in a lab?
In a natural setting, you can observe how whatever you are testing occurs on an everyday basis, where as in a lab, there is a chance the data could be corrupted by artificiality.
What substance will break rather than bend?
Ice will break rather then bend
When asking a question should you use the word weather or rather?
For example: would you rather do _____ or ______?
What is an advantage of pausing as a question techniques?
Pausing as a questioning technique allows the speaker to create space for reflection, encouraging deeper thought and consideration from the listener. It can enhance engagement by prompting participants to think critically about their responses rather than reacting impulsively. Additionally, pauses can build anticipation and emphasize the importance of the question being posed, leading to more meaningful discussions.
When is workout considered aerobic workout?
when energy is derived from oxygen in air being breathed in, rather than from oxygen already dissolved in the blood (or rather, bound to haemoglobin in the blood). I.e. a longer-term exercise like jogging, rather than a sudden surge of activity like a sprint.
What type of lenses are used in a periscope?
A periscope is an instrument for observation from a concealed position. In its simplest form it consists of a tube with mirrors at each end set parallel to each other at a 45-degree angle. This form of periscope, with the addition of two simple lenses, served for observation purposes in the trenches during World War I. Military personnel also use periscopes in some gun turrets and in armoured vehicles.Also known as berinscope.More complex periscopes, using prisms instead of mirrors, and providing magnification, operate on submarines. The overall design of the classical submarine periscope is very simple: two telescopes pointed into each other. If the two telescopes have different individual magnification, the difference between them causes an overall magnification or reduction.
How and why can you see objects through a periscope?
A periscope uses mirrors to reflect light, allowing you to see objects that are not in your direct line of sight. When you look through a periscope, you are essentially looking at the reflection of the object rather than directly at it. This design helps in situations where visibility is obstructed or when you need to remain hidden from view.
What these are used for binoculars?
Binoculars are distinguished from telescopes through the use of "folded optics". That is, the light path is folded into the body, allowing a compact design. Rather than mirrors, prisms are used to reflect the light.
Give an example where corrosion is an advantage rather than a disadvantage?
Aluminium oxide is an example of corrosion of advantage rather than disvantage
How are pyramids and cones different than prisms and cylinders?
Pyramids and cones have a pointed top (apex) while prisms and cylinders have flat tops. Pyramids and cones have a single base, while prisms have two parallel bases. Cones have a curved surface while pyramids have triangular faces.
Would rather reflect than refract light?
Mirrors and other shiny surfaces.
Does prisms absorb light?
Prisms do not absorb light, but rather refract or reflect it depending on the angle at which the light enters and the properties of the prism material. Light can be bent and separated into its component colors by a prism due to the different speeds at which each color of light travels through the prism.
How much heat loss from muscle be an advantage for to humans rather than a disadvantage?
For heat loss to be an advantage to humans rather than a disadvantage, the heat lost must be equal to that produced.
Do mirror absorb heat?
Mirrors do not absorb heat; they reflect light instead. The reflective coating on the back of the mirror is designed to bounce light off the surface rather than allow it to pass through. This property is why mirrors are often used to redirect light rather than absorb it.
What does the Bar Mirrors website offer?
They mainly and rather obviously deal with bar mirrors, but they also deal in other collectibles. They carry illuminated signs, pour mats, and a plethora of new bar-related items.
What advantage did the British have during the battle of the Spanish armada?
They had smaller, faster ships that were a big advantage rather than Spain's ships.
Did ancient Chinese people have mirrors?
Yes, as did many other ancient peoples including the Greeks, Romans and Egyptians. However, these were often polished smoothed metal mirrors rather than the silvered glass versions we have today.
