Long answer·Hard exam skill (4/5)·No calculator
Difficulty guide
The label describes the problem, not your ability.
1/5 - Foundational
Warm-up setup; checks one basic idea.
2/5 - Routine exam skill
Normal syllabus skill; usually one main rule or interpretation.
3/5 - Standard multi-step
Exam-style problem with multiple steps or a common trap.
4/5 - Hard exam skill
High-end exam problem; combines methods carefully.
5/5 - Challenge
Stretch problem beyond normal exam pressure.
Question
A string has length and mass . It is stretched by tension . A wave of frequency travels along it.
Total: 3 marks
(a) Find the linear mass density. (1 mark)
(b) Find the wave speed. (1 mark)
(c) Find the wavelength. (1 mark)
Something wrong with this item?