A laboratory thermometer is labelled -5 degrees and 25 degrees with 6 equal divisions between these marks. a) What is the value of one small division? b) What is the temperature at the 3rd division above -5 degrees? c) If the pointer is halfway between the 3rd and 4th division, what temperature is shown?
(a)Value of one small division.(1)
(b)Temperature at the 3rd division above -5 degrees.(1)
(c)Temperature halfway between the 3rd and 4th division.(1)
(Total for Question 9 is 3 marks)