Subject :NSO Class : Class 7
Read the given experiment and answer the following questions.Paper pins are stuck to a metal rod with wax and a lighted candle is kept below the rod as shown in the diagram below.
What does this experiment illustrate?
A Wax melts easily.
B The candle flame conducts heat.
C The thumbtacks expand when heated.
D Heat gets transferred from hot part of a body to cold part.
Ans 1:
Class : Class 10
d.heat gets transferred from hot part of a body to cold part