WebDifferent Zones of Candle Flame Zones of candle flame can be categorized on the basis of color, luminescence and temperature. Outermost zone: This zone forms the veil of a candle flame. It is a non luminous part of flame. It is slightly bluish in color and is the hottest part of flame with flame temperature 1400°C approx. WebVery Short Type Question. Question 1: Name some of the substances which burn without producing a flame. Answer: Coal and Charcoal. Question 2: Name two substances having low ignition temperature. Answer: paper and white phosphorus. Question 3: Name two substances having high ignition temperature. Answer: coal and log of wood.
Grade 8 Combustion and Flame Worksheets
WebApr 7, 2024 · Make a Labeled Diagram of a Candle Flame. Ans: A labeled diagram of a candle flame is: 7. Name the Unit in Which the Calorific Value of a Fuel is Expressed. ... Combustion and Flame Class 8 NCERT … WebApr 7, 2024 · 3)The outer zone of a flame is blue:It is a non-luminous zone.In this zone,complete combustion of the fuel takes place because there is plenty of air around it.The outermost zone has the highest … state machine in plc
Make a labelled diagram of a candle flame. - toppr.com
http://aven.amritalearning.com/index.php?sub=101&brch=298&sim=1504&cnt=3480 WebMar 23, 2024 · A candle flame can be divided into three zones (as seen in the diagram – zone 1, 2 and 3). Zone 1 – It is the innermost zone of a flame. This appears are very … WebAug 19, 2024 · Calculate. (i) the refractive index of the liquid. (ii) the angle of refraction in the liquid. (iii) Draw two rays in the above diagram to show (how light reaches our eye from the object placed in water). Answer: (i) n = speed of light in air/speed of light in liquid. n = 3 × 10 8 /2.0 × 10 8. n = 1.5. state machine in power automate