Four persons went on an excursion on a hill top where temperature was quite low One of them fell sick. The other persons put a blanket on him, collect the pieces of dry wood and ignited fire in his vicinity. After sometime the sick person felt better. Read the above passage and answer the following questions:
(i) What are the type of rays coming from fire?
(ii) Why did the sick person feel better while seating near the fine?
(iii) What basic values do you learn from this study?

Explanation

(i) The rays coming from fire are yellow, red and infrared rays.
(ii) The infrared rays coming from fire provide the soothing effect to the body muscels fo the sick person
sitting near the fire. Due to it, the sick person feels better after some time.
(iii) From the above study we learn that presence of mind and proper use of the things available help to save
a difficult situation.