Sarita, when entered her house, got a pleasant smell of incense stick lit by her mother during puja. She went near to the place where incense stick was burning and observed that, the paper kept below it was
burned at many places. She immediately suggests her mother to keep the burning incense stick on some
metal plate hereafter.
a) What kind of change is burning of incense stick? (1)
b) The paper kept below the incense stick was burnt at many places. Why? (1)
c) What values of Sarita are shown here?