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Vivek Gulavani from Innisfree House School, Bengaluru
Subject :NSO    Class : Class 7

A student took an iron rod and a wooden rod and wrapped each of them in a piece of paper. These were then heated as shown. It was found that the paper around the iron rod does not burn whereas the one around the wooden rod catches fire. It is because


A Candle, in case of iron rod, is nearer to the paper
B Wood being a bad conductor of heat, takes away all the heat
C Iron being a good conductor of heat, conducts away the heat given to the paper
D Paper, in first case, is thicker.


could someone please explain the answer

Ans 1:

Medha Bhutani from Christ Academy, Bengaluru
Class : Class 9
ans is option C

Ans 2:

saikrishna from bharatiya vidhya bhavans public school, Hyderabad
Class : Class 9
can someone explain why?

Ans 3:

Parshti Bajpai from Modern Public School, ALWAR
Class : Class 7
Please explain it to me.

Ans 4:

Praveen Rai from Lotus Valley International School, Noida
Class : Class 7

Ans 5:

Aksh Swarnkar from National Center for Excellence CVR, Bangalore
Class : Class 7

Ans 6:

Harshdeep roy from Bhavans School , Nagpur
Class : Class 7
answer is option c

Ans 7:

Aarnavi Mann from Scholars rosary Sr. Sec. School, Rohtak
Class : Class 8

Ans 8:

Aadvik saini from Mvn sector 17, Faridabad
Class : Class 8
ans is option C

Ans 9:

Lakshya Vijeta from Afgji, New Delhi
Class : Class 7
Option D is correct. I dont know why. Please explain

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