Q. 134.1( 142 Votes )
Abida and Ramesh were doing an experiment in which water was to be heated in a beaker. Abida kept the beaker near the wick in the yellow part of the candle flame. Ramesh kept the beaker in the outermost part of the flame. Whose water will get heated in a shorter time?
Answer :
The water in Ramesh's beaker will heat up in a shorter time. This is because the outermost zone of a flame is the hottest zone, while the yellow zone (in which Abida had kept the beaker) is less hot.
Rate this question :






















The calorific value of a fuel is 40000KJ/kg. This fuel is most likely to be:
Lakhmir Singh & Manjit Kaur - ScienceWhich of the following fuels has the highest calorific value?
Lakhmir Singh & Manjit Kaur - ScienceAlthough wood has a very high calorific value, we still discourage its use as a fuel. Explain.
NCERT - Science ExemplarWhat do you understand by fuel efficiency?
NCERT - Science ExemplarWrite the unit of calorific value.
All in One - ScienceGive two examples each of:
(a) solid fuels
(b) liquid fuels
(c) gaseous fuels
Lakhmir Singh & Manjit Kaur - ScienceThe calorific values of petrol and CNG are 45000 kJ/kg and 50,000 kJ/kg, respectively. If you have vehicle which can run on petrol as well as CNG, which fuel will you prefer and why?
NCERT - Science ExemplarThe calorific value of a fuel is expressed in a unit called
NCERT - Science Exemplar