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the layer of vacum space in between the bottle
In photo voltaic cells there copper plate and on this plate there is a layer of cupprous oxide layer. On this cuprous oxide layer again there is a thin layer of silver.When light having the threshold frequency is incident on the silver layer it is focussed on the cuprous oxide layer and the electrons on this layer are ejected out and pushed on to the copper plate.Here the copper plate acts as an anode and hence the flow of electrons takes place which constitutes the electric current. The flow of electric current can be observed by coonecting a galvanometer in the circuit attached from silver layer to copper plate. The use of silver layer is that it will stop the ejection of electrons out from it. And this is the photo cell used most widely.It costs 28-30 Rs
I don't believe that it does. If this is true, it could be that black is a natural color for the sort of material (cast iron) that radiators are likely to be made of, while a white radiator probably has an insulating layer of paint on it.
The less dense layer of two immiscible liquids will float on the denser layer.
which layer of the sun is cooler
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The silver layer of an insulation bottle does this to radiated heat
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The cell that is insulated by a fatty layer is the myelin sheath. It is the fatty insulator around the neurons (nerve).
When in the tundra it is important to wear waterproof clothing to protect your body from the ice and snow. Layer waterproof clothing with lined or insulated clothing, such as ski pants or a down parka, to keep your body protected from the elements. Upper body layers: wicking layer, insulated layer, insulated jacket and T-shirt. Lower body layers: wicking layer and wool pants. Specialized layers: wind jacket, wind pants, rain jacket and rain pants.
They're pretty well insulated by a thick layer of fat underneath the skin.
Coiled around copper core wire, no flow blocking element. Why is this insulated wire coil not prone to short-circuit failure?
the layer of vacum space in between the bottle
Blackening of silver is generally caused by sulphides.
There is no US silver penny dated 2001. Instead, what has happened is someone has stripped off the copper layer of the coin and left the zinc layer which looks silver-ish.
Not much. it is a thin layer of silver on top of some alloys that contain little or no silver.
Technically speaking, there is no silver coating because there is no silver. The outside layer of a 1982 quarter contains nickel and gives it that "silver" appearance. If theis layer is missing it is sometimes due to a planchet (a coin blank) which was faulty and did not have the layer. This type of coin is collected by some collectors. Another reason the layer is missing could be it had been removed by applying acid to it. This type of coin is not collectable.