Question

Expalin giving reasons: In which of the following situations water will get heated in a shorter time?
a) Srikar kept water beaker near the wick in the yellow part of a candle flame.
b) Sonu kept water beaker in the outer most part of the flame.

Answer 1

B because the outer flame will have moreheat

Answer 2

Answer:

b)Sonu kept water beaker in the outer most part of the flame.  

Explanation:

Every candle has three zones 1) Dark Zone 2) Luminous Zone 3) Non-Luminous Zone. Dark Zone(Black) lies nearby wick of the candle and it is the least hot area. Luminous Zone(Yellow) found in the yellow flame which is moderately hot. Non Luminous Zone(Blue) is found just above the yellow zone. Non-Luminous zone is the hottest part of flame which is the outer most part of the flame.