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The light from a candle flame primarily comes from the outer zone, known as the luminous zone or outer envelope. In this region, the temperature is high enough for incomplete combustion to occur, producing incandescent soot particles that emit visible light. The inner zone, or non-luminous zone, primarily produces heat and is less bright due to more complete combustion.
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Which zone of candle flame gives us light?
The zone of a candle flame that primarily produces light is the luminous zone, also known as the inner or bright zone. This area is where the combustion of wax occurs most efficiently, creating a mixture of hot gases and incandescent carbon particles that emit visible light. It is located just above the wick, where the temperature is high enough for the combustion process to produce both heat and light.
Show diagram of candle flame zone?
The candle has 4 zones: Blue zone Dark inner zone luminous zone non-luminous zone
What are the various zones of a candle flame?
The various zones of a candle flame are the dark zone, the blue zone (inner cone), the luminous zone (middle zone), and the non-luminous zone (outer zone). In the dark zone, the wick is vaporized and breaks down into fuel molecules. The blue zone is where complete combustion occurs due to a sufficient oxygen supply, while the luminous zone emits light due to incomplete combustion of fuel. The non-luminous zone consists of unburned fuel and soot particles.
Description the 4 zones of a candle flame from outermost to innermost?
non luminous zone: outermost not fully visible complete combustion zoneluminous zone : incomplete combustion zone pale yellow in colordark zone : no combustion dark in color coldest zoneblue zone : bottom zone blue in color carbon monoxide wax vapors
Why is outer zone of the candle is hottest?
The outer zone of a candle flame is the hottest because it is where the combustion process is most efficient. In this region, the fuel (wax vapor) mixes thoroughly with oxygen from the air, allowing for complete combustion. The intense heat generated in this area causes the flame to reach its highest temperatures, while the inner zones are cooler due to incomplete combustion and a lack of sufficient oxygen.
Which zone of candle flame gives us light?
The zone of a candle flame that primarily produces light is the luminous zone, also known as the inner or bright zone. This area is where the combustion of wax occurs most efficiently, creating a mixture of hot gases and incandescent carbon particles that emit visible light. It is located just above the wick, where the temperature is high enough for the combustion process to produce both heat and light.
Show diagram of candle flame zone?
The candle has 4 zones: Blue zone Dark inner zone luminous zone non-luminous zone
What happens during a melting candle?
when a candle is lighted ; this is what happens : the solid wax melts and rises up the wick. The wax vapours react with oxygen to burn as a flame. The candle starts melting. This is a physical change. while observing the candle flame we see that the candle has 3 zones. Non - Luminous zone is the innermost zone. It appears as a dark zone and is the coldest part of the candle flame due to less oxygen. Then comes the Luminous zone , it is yellow and opaque. The glowing of carbon particles cause the flame to look yellow and emit light. Then , Invisible zone - it is the outermost zone of the candle flame. it is the hottest zone and cannot be seen with naked eye. Combustion reaction comes to completion here and carbon changes into carbon dioxide.
Why is middle zone of the candle called luminous zone?
partial combustion takes place here and wax vapour start burning with a yellowwish flame . this region of candle flame is moderately hot. so it is called as the luminous zone
What zone of flame a gold smith use for melting gold or silver?
Because it is the hottest zone of a candle flame.
What are the various zones of a candle flame?
The various zones of a candle flame are the dark zone, the blue zone (inner cone), the luminous zone (middle zone), and the non-luminous zone (outer zone). In the dark zone, the wick is vaporized and breaks down into fuel molecules. The blue zone is where complete combustion occurs due to a sufficient oxygen supply, while the luminous zone emits light due to incomplete combustion of fuel. The non-luminous zone consists of unburned fuel and soot particles.
what are the two most polluting zones of a candle flame?
The two most polluting zones of a candle flame are the bright yellow outer zone, which contains unburned soot particles, and the dark zone close to the wick, which contains partially burned carbon compounds. These zones contribute to the production of pollutants such as carbon monoxide and particulate matter.
What are the different zones of candle flame?
The candle flame has 4 zones from innermost to outermost: 1)Blue zone: It is near the base of the flame. Here the fresh air rapidly mixes with was vapour formed from the molten wax.A part of wax vapour completely burns and gives rise to blue flame. 2)Dark inner zone: This part consists of unburnt wax vapour given off by molten wax.It is the coldest part of the flame It is dark because of of decomposed carbon particles. 3) Luminous zone: In this zone partial combustion takes place with liberation of a lot of heat. This zone is hotter than the dark inner zone. 4) Non luminous zone:It is a zone were complete combustion takes placeIt is hottest part of the flame and is hardly visible.
Which zone in the candle flame is the zone of no combustion?
The dark zone in the candle flame, also known as the zone of no combustion, is where vaporized wax is breaking down into hydrogen and carbon, but there is insufficient oxygen for complete combustion to occur. This area appears dark because there is no visible flame due to the lack of oxygen.
Different zones of candle flames?
These are the 4 zones of a candle flame from outermost to innermost A Non luminous zone . or zone of complete combustion b. Luminous zone or zone of incomplete combustion c. Dark zone or zone of no combustion d. Blue zone
Why is the Color of the outer zone of a candle flame is blue while the middle zone is yellow?
Abey agar mujhe aata hota toh main kyun puchta?
Description the 4 zones of a candle flame from outermost to innermost?
non luminous zone: outermost not fully visible complete combustion zoneluminous zone : incomplete combustion zone pale yellow in colordark zone : no combustion dark in color coldest zoneblue zone : bottom zone blue in color carbon monoxide wax vapors
