CIE iGCSE Co-Ordinated Science P1.1 Physical quantities and measurement techniques Exam Style Questions Paper 1
Question
A student uses a piece of string to measure the circumference of a pencil. He wraps the string around the outside of the pencil. The string wraps round exactly six times. He measures the length of string used with a rule.
What is the circumference of the pencil?
A 2.4 cm
B 2.6 cm
C 14.4 cm
D 15.4 cm
▶️Answer/Explanation
Answer: A 2.4 cm
Explanation: The total length of the string used is 14.4 cm, and since it wraps around the pencil 6 times, the circumference of the pencil is 14.4 cm ÷ 6 = 2.4 cm.
Question
The diagram shows the level of water in a measuring cylinder.
What is the volume of water in the measuring cylinder?
A 73.5 cm3 B 74.0 cm3 C 76.5 cm3 D 77.0 cm3
▶️Answer/Explanation
Ans : A