- Messages
- 47
- Reaction score
- 37
- Points
- 18
http://papers.xtremepapers.com/CIE/Cambridge IGCSE/Physics (0625)/0625_w06_qp_1.pdf question 16 dont understand it !!
100 C = 22 cm
0 C = 2 cm
so the range is 20 cm (20-2)
100 C/20 cm = 5 C for each cm
In the picture the thermometer is at 8 cm. But remember 2 cm is 0 degrees, so 8-2 = 6 cm
and finally 6 x 5 = 30 degrees C
So the answer is C
Hope you understood.