Question 1
Simple Harmonic MotionWhich of the following diagrams correctly represents the relationship between the time (T) of swing of a simple pendulum and its length (l)?

- A.A
- B.B
- C.C
- D.D
Show the answer and explanation
Answer: C (C)
Explanation
T = 2π√(l/g), so T² is proportional to l and the graph of T² against l is a straight line through the origin, as in C.