ScienceAges 13-15

Wave speed, frequency & wavelength

Use the wave equation (v = fλ) to calculate wave speed from frequency and wavelength. Review suitability for your learners before teaching.

New variation Try interactive challenge Browse templates

Age band:Ages 13-15 Ages 16-18

Choose “Save as PDF” to keep a copy. Use your browser’s paper setting for A4 or Letter.

Worksheet StudioPractice pack · Ages 13-15

Wave speed, frequency & wavelength

Take your time. Show your thinking.

1. A wave has frequency 35 Hz and wavelength 4 m. Use v = fλ to calculate its wave speed.
λ = 4 m · f = 35 Hz
2. A wave has frequency 34 Hz and wavelength 11 m. Use v = fλ to calculate its wave speed.
λ = 11 m · f = 34 Hz
3. A wave has frequency 11 Hz and wavelength 13 m. Use v = fλ to calculate its wave speed.
λ = 13 m · f = 11 Hz
4. A wave has frequency 30 Hz and wavelength 2 m. Use v = fλ to calculate its wave speed.
λ = 2 m · f = 30 Hz
5. A wave has frequency 24 Hz and wavelength 4 m. Use v = fλ to calculate its wave speed.
λ = 4 m · f = 24 Hz
6. A wave has frequency 14 Hz and wavelength 12 m. Use v = fλ to calculate its wave speed.
λ = 12 m · f = 14 Hz
7. A wave has frequency 36 Hz and wavelength 4 m. Use v = fλ to calculate its wave speed.
λ = 4 m · f = 36 Hz
8. A wave has frequency 37 Hz and wavelength 12 m. Use v = fλ to calculate its wave speed.
λ = 12 m · f = 37 Hz
9. A wave has frequency 26 Hz and wavelength 6 m. Use v = fλ to calculate its wave speed.
λ = 6 m · f = 26 Hz
10. A wave has frequency 15 Hz and wavelength 9 m. Use v = fλ to calculate its wave speed.
λ = 9 m · f = 15 Hz
11. A wave has frequency 7 Hz and wavelength 6 m. Use v = fλ to calculate its wave speed.
λ = 6 m · f = 7 Hz
12. A wave has frequency 38 Hz and wavelength 3 m. Use v = fλ to calculate its wave speed.
λ = 3 m · f = 38 Hz

12 questions · Seed 104729 · Age guidance, not curriculum certification

View the answer key

Worksheet StudioAnswer key · Ages 13-15

Wave speed, frequency & wavelength

Answers and reasoning. Review before teaching.

1. A wave has frequency 35 Hz and wavelength 4 m. Use v = fλ to calculate its wave speed.
140 m/s
Wave speed v = f × λ = 35 × 4 = 140 m/s.
2. A wave has frequency 34 Hz and wavelength 11 m. Use v = fλ to calculate its wave speed.
374 m/s
Wave speed v = f × λ = 34 × 11 = 374 m/s.
3. A wave has frequency 11 Hz and wavelength 13 m. Use v = fλ to calculate its wave speed.
143 m/s
Wave speed v = f × λ = 11 × 13 = 143 m/s.
4. A wave has frequency 30 Hz and wavelength 2 m. Use v = fλ to calculate its wave speed.
60 m/s
Wave speed v = f × λ = 30 × 2 = 60 m/s.
5. A wave has frequency 24 Hz and wavelength 4 m. Use v = fλ to calculate its wave speed.
96 m/s
Wave speed v = f × λ = 24 × 4 = 96 m/s.
6. A wave has frequency 14 Hz and wavelength 12 m. Use v = fλ to calculate its wave speed.
168 m/s
Wave speed v = f × λ = 14 × 12 = 168 m/s.
7. A wave has frequency 36 Hz and wavelength 4 m. Use v = fλ to calculate its wave speed.
144 m/s
Wave speed v = f × λ = 36 × 4 = 144 m/s.
8. A wave has frequency 37 Hz and wavelength 12 m. Use v = fλ to calculate its wave speed.
444 m/s
Wave speed v = f × λ = 37 × 12 = 444 m/s.
9. A wave has frequency 26 Hz and wavelength 6 m. Use v = fλ to calculate its wave speed.
156 m/s
Wave speed v = f × λ = 26 × 6 = 156 m/s.
10. A wave has frequency 15 Hz and wavelength 9 m. Use v = fλ to calculate its wave speed.
135 m/s
Wave speed v = f × λ = 15 × 9 = 135 m/s.
11. A wave has frequency 7 Hz and wavelength 6 m. Use v = fλ to calculate its wave speed.
42 m/s
Wave speed v = f × λ = 7 × 6 = 42 m/s.
12. A wave has frequency 38 Hz and wavelength 3 m. Use v = fλ to calculate its wave speed.
114 m/s
Wave speed v = f × λ = 38 × 3 = 114 m/s.

12 questions · Seed 104729 · Age guidance, not curriculum certification

Worksheet StudioPractice pack · Ages 13-15

Wave speed, frequency & wavelength

Take your time. Show your thinking.

1. A wave has frequency 35 Hz and wavelength 4 m. Use v = fλ to calculate its wave speed.
λ = 4 m · f = 35 Hz
2. A wave has frequency 34 Hz and wavelength 11 m. Use v = fλ to calculate its wave speed.
λ = 11 m · f = 34 Hz
3. A wave has frequency 11 Hz and wavelength 13 m. Use v = fλ to calculate its wave speed.
λ = 13 m · f = 11 Hz
4. A wave has frequency 30 Hz and wavelength 2 m. Use v = fλ to calculate its wave speed.
λ = 2 m · f = 30 Hz
5. A wave has frequency 24 Hz and wavelength 4 m. Use v = fλ to calculate its wave speed.
λ = 4 m · f = 24 Hz
6. A wave has frequency 14 Hz and wavelength 12 m. Use v = fλ to calculate its wave speed.
λ = 12 m · f = 14 Hz
7. A wave has frequency 36 Hz and wavelength 4 m. Use v = fλ to calculate its wave speed.
λ = 4 m · f = 36 Hz
8. A wave has frequency 37 Hz and wavelength 12 m. Use v = fλ to calculate its wave speed.
λ = 12 m · f = 37 Hz
9. A wave has frequency 26 Hz and wavelength 6 m. Use v = fλ to calculate its wave speed.
λ = 6 m · f = 26 Hz
10. A wave has frequency 15 Hz and wavelength 9 m. Use v = fλ to calculate its wave speed.
λ = 9 m · f = 15 Hz
11. A wave has frequency 7 Hz and wavelength 6 m. Use v = fλ to calculate its wave speed.
λ = 6 m · f = 7 Hz
12. A wave has frequency 38 Hz and wavelength 3 m. Use v = fλ to calculate its wave speed.
λ = 3 m · f = 38 Hz

12 questions · Seed 104729 · Age guidance, not curriculum certification

Worksheet StudioAnswer key · Ages 13-15

Wave speed, frequency & wavelength

Answers and reasoning. Review before teaching.

1. A wave has frequency 35 Hz and wavelength 4 m. Use v = fλ to calculate its wave speed.
140 m/s
Wave speed v = f × λ = 35 × 4 = 140 m/s.
2. A wave has frequency 34 Hz and wavelength 11 m. Use v = fλ to calculate its wave speed.
374 m/s
Wave speed v = f × λ = 34 × 11 = 374 m/s.
3. A wave has frequency 11 Hz and wavelength 13 m. Use v = fλ to calculate its wave speed.
143 m/s
Wave speed v = f × λ = 11 × 13 = 143 m/s.
4. A wave has frequency 30 Hz and wavelength 2 m. Use v = fλ to calculate its wave speed.
60 m/s
Wave speed v = f × λ = 30 × 2 = 60 m/s.
5. A wave has frequency 24 Hz and wavelength 4 m. Use v = fλ to calculate its wave speed.
96 m/s
Wave speed v = f × λ = 24 × 4 = 96 m/s.
6. A wave has frequency 14 Hz and wavelength 12 m. Use v = fλ to calculate its wave speed.
168 m/s
Wave speed v = f × λ = 14 × 12 = 168 m/s.
7. A wave has frequency 36 Hz and wavelength 4 m. Use v = fλ to calculate its wave speed.
144 m/s
Wave speed v = f × λ = 36 × 4 = 144 m/s.
8. A wave has frequency 37 Hz and wavelength 12 m. Use v = fλ to calculate its wave speed.
444 m/s
Wave speed v = f × λ = 37 × 12 = 444 m/s.
9. A wave has frequency 26 Hz and wavelength 6 m. Use v = fλ to calculate its wave speed.
156 m/s
Wave speed v = f × λ = 26 × 6 = 156 m/s.
10. A wave has frequency 15 Hz and wavelength 9 m. Use v = fλ to calculate its wave speed.
135 m/s
Wave speed v = f × λ = 15 × 9 = 135 m/s.
11. A wave has frequency 7 Hz and wavelength 6 m. Use v = fλ to calculate its wave speed.
42 m/s
Wave speed v = f × λ = 7 × 6 = 42 m/s.
12. A wave has frequency 38 Hz and wavelength 3 m. Use v = fλ to calculate its wave speed.
114 m/s
Wave speed v = f × λ = 38 × 3 = 114 m/s.

12 questions · Seed 104729 · Age guidance, not curriculum certification