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 24 Hz and wavelength 5 m. Use v = fλ to calculate its wave speed.
λ = 5 m · f = 24 Hz
2. A wave has frequency 33 Hz and wavelength 7 m. Use v = fλ to calculate its wave speed.
λ = 7 m · f = 33 Hz
3. A wave has frequency 5 Hz and wavelength 14 m. Use v = fλ to calculate its wave speed.
λ = 14 m · f = 5 Hz
4. A wave has frequency 24 Hz and wavelength 6 m. Use v = fλ to calculate its wave speed.
λ = 6 m · f = 24 Hz
5. A wave has frequency 35 Hz and wavelength 6 m. Use v = fλ to calculate its wave speed.
λ = 6 m · f = 35 Hz
6. A wave has frequency 39 Hz and wavelength 11 m. Use v = fλ to calculate its wave speed.
λ = 11 m · f = 39 Hz
7. A wave has frequency 7 Hz and wavelength 11 m. Use v = fλ to calculate its wave speed.
λ = 11 m · f = 7 Hz
8. A wave has frequency 12 Hz and wavelength 11 m. Use v = fλ to calculate its wave speed.
λ = 11 m · f = 12 Hz
9. A wave has frequency 2 Hz and wavelength 10 m. Use v = fλ to calculate its wave speed.
λ = 10 m · f = 2 Hz
10. A wave has frequency 22 Hz and wavelength 12 m. Use v = fλ to calculate its wave speed.
λ = 12 m · f = 22 Hz
11. A wave has frequency 14 Hz and wavelength 11 m. Use v = fλ to calculate its wave speed.
λ = 11 m · f = 14 Hz
12. A wave has frequency 11 Hz and wavelength 5 m. Use v = fλ to calculate its wave speed.
λ = 5 m · f = 11 Hz

12 questions · Seed 61 · 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 24 Hz and wavelength 5 m. Use v = fλ to calculate its wave speed.
120 m/s
Wave speed v = f × λ = 24 × 5 = 120 m/s.
2. A wave has frequency 33 Hz and wavelength 7 m. Use v = fλ to calculate its wave speed.
231 m/s
Wave speed v = f × λ = 33 × 7 = 231 m/s.
3. A wave has frequency 5 Hz and wavelength 14 m. Use v = fλ to calculate its wave speed.
70 m/s
Wave speed v = f × λ = 5 × 14 = 70 m/s.
4. A wave has frequency 24 Hz and wavelength 6 m. Use v = fλ to calculate its wave speed.
144 m/s
Wave speed v = f × λ = 24 × 6 = 144 m/s.
5. A wave has frequency 35 Hz and wavelength 6 m. Use v = fλ to calculate its wave speed.
210 m/s
Wave speed v = f × λ = 35 × 6 = 210 m/s.
6. A wave has frequency 39 Hz and wavelength 11 m. Use v = fλ to calculate its wave speed.
429 m/s
Wave speed v = f × λ = 39 × 11 = 429 m/s.
7. A wave has frequency 7 Hz and wavelength 11 m. Use v = fλ to calculate its wave speed.
77 m/s
Wave speed v = f × λ = 7 × 11 = 77 m/s.
8. A wave has frequency 12 Hz and wavelength 11 m. Use v = fλ to calculate its wave speed.
132 m/s
Wave speed v = f × λ = 12 × 11 = 132 m/s.
9. A wave has frequency 2 Hz and wavelength 10 m. Use v = fλ to calculate its wave speed.
20 m/s
Wave speed v = f × λ = 2 × 10 = 20 m/s.
10. A wave has frequency 22 Hz and wavelength 12 m. Use v = fλ to calculate its wave speed.
264 m/s
Wave speed v = f × λ = 22 × 12 = 264 m/s.
11. A wave has frequency 14 Hz and wavelength 11 m. Use v = fλ to calculate its wave speed.
154 m/s
Wave speed v = f × λ = 14 × 11 = 154 m/s.
12. A wave has frequency 11 Hz and wavelength 5 m. Use v = fλ to calculate its wave speed.
55 m/s
Wave speed v = f × λ = 11 × 5 = 55 m/s.

12 questions · Seed 61 · 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 24 Hz and wavelength 5 m. Use v = fλ to calculate its wave speed.
λ = 5 m · f = 24 Hz
2. A wave has frequency 33 Hz and wavelength 7 m. Use v = fλ to calculate its wave speed.
λ = 7 m · f = 33 Hz
3. A wave has frequency 5 Hz and wavelength 14 m. Use v = fλ to calculate its wave speed.
λ = 14 m · f = 5 Hz
4. A wave has frequency 24 Hz and wavelength 6 m. Use v = fλ to calculate its wave speed.
λ = 6 m · f = 24 Hz
5. A wave has frequency 35 Hz and wavelength 6 m. Use v = fλ to calculate its wave speed.
λ = 6 m · f = 35 Hz
6. A wave has frequency 39 Hz and wavelength 11 m. Use v = fλ to calculate its wave speed.
λ = 11 m · f = 39 Hz
7. A wave has frequency 7 Hz and wavelength 11 m. Use v = fλ to calculate its wave speed.
λ = 11 m · f = 7 Hz
8. A wave has frequency 12 Hz and wavelength 11 m. Use v = fλ to calculate its wave speed.
λ = 11 m · f = 12 Hz
9. A wave has frequency 2 Hz and wavelength 10 m. Use v = fλ to calculate its wave speed.
λ = 10 m · f = 2 Hz
10. A wave has frequency 22 Hz and wavelength 12 m. Use v = fλ to calculate its wave speed.
λ = 12 m · f = 22 Hz
11. A wave has frequency 14 Hz and wavelength 11 m. Use v = fλ to calculate its wave speed.
λ = 11 m · f = 14 Hz
12. A wave has frequency 11 Hz and wavelength 5 m. Use v = fλ to calculate its wave speed.
λ = 5 m · f = 11 Hz

12 questions · Seed 61 · 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 24 Hz and wavelength 5 m. Use v = fλ to calculate its wave speed.
120 m/s
Wave speed v = f × λ = 24 × 5 = 120 m/s.
2. A wave has frequency 33 Hz and wavelength 7 m. Use v = fλ to calculate its wave speed.
231 m/s
Wave speed v = f × λ = 33 × 7 = 231 m/s.
3. A wave has frequency 5 Hz and wavelength 14 m. Use v = fλ to calculate its wave speed.
70 m/s
Wave speed v = f × λ = 5 × 14 = 70 m/s.
4. A wave has frequency 24 Hz and wavelength 6 m. Use v = fλ to calculate its wave speed.
144 m/s
Wave speed v = f × λ = 24 × 6 = 144 m/s.
5. A wave has frequency 35 Hz and wavelength 6 m. Use v = fλ to calculate its wave speed.
210 m/s
Wave speed v = f × λ = 35 × 6 = 210 m/s.
6. A wave has frequency 39 Hz and wavelength 11 m. Use v = fλ to calculate its wave speed.
429 m/s
Wave speed v = f × λ = 39 × 11 = 429 m/s.
7. A wave has frequency 7 Hz and wavelength 11 m. Use v = fλ to calculate its wave speed.
77 m/s
Wave speed v = f × λ = 7 × 11 = 77 m/s.
8. A wave has frequency 12 Hz and wavelength 11 m. Use v = fλ to calculate its wave speed.
132 m/s
Wave speed v = f × λ = 12 × 11 = 132 m/s.
9. A wave has frequency 2 Hz and wavelength 10 m. Use v = fλ to calculate its wave speed.
20 m/s
Wave speed v = f × λ = 2 × 10 = 20 m/s.
10. A wave has frequency 22 Hz and wavelength 12 m. Use v = fλ to calculate its wave speed.
264 m/s
Wave speed v = f × λ = 22 × 12 = 264 m/s.
11. A wave has frequency 14 Hz and wavelength 11 m. Use v = fλ to calculate its wave speed.
154 m/s
Wave speed v = f × λ = 14 × 11 = 154 m/s.
12. A wave has frequency 11 Hz and wavelength 5 m. Use v = fλ to calculate its wave speed.
55 m/s
Wave speed v = f × λ = 11 × 5 = 55 m/s.

12 questions · Seed 61 · Age guidance, not curriculum certification