Physics (AS & A Level) · Oct / Nov 2020 · Paper 12 · Question 2

The speed v of waves on a stretched wire is given by the equation v = T^p μ^q where T is the tension in the wire and μ is the mass per unit length of the wire. What are the values of p and q?

1. Ap = -1/2, q = -1/2
2. Bp = -1/2, q = 1/2
3. Cp = 1/2, q = -1/2
4. Dp = 1/2, q = 1/2

As printed in the paper