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.

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Worksheet StudioPractice pack · Ages 13-15

Wave speed, frequency & wavelength

Take your time. Show your thinking.

1. A wave has frequency 14 Hz and wavelength 4 m. Use v = fλ to calculate its wave speed.
λ = 4 m · f = 14 Hz
2. A wave has frequency 9 Hz and wavelength 8 m. Use v = fλ to calculate its wave speed.
λ = 8 m · f = 9 Hz
3. A wave has frequency 40 Hz and wavelength 7 m. Use v = fλ to calculate its wave speed.
λ = 7 m · f = 40 Hz
4. A wave has frequency 28 Hz and wavelength 15 m. Use v = fλ to calculate its wave speed.
λ = 15 m · f = 28 Hz
5. A wave has frequency 18 Hz and wavelength 11 m. Use v = fλ to calculate its wave speed.
λ = 11 m · f = 18 Hz
6. A wave has frequency 27 Hz and wavelength 5 m. Use v = fλ to calculate its wave speed.
λ = 5 m · f = 27 Hz
7. A wave has frequency 24 Hz and wavelength 11 m. Use v = fλ to calculate its wave speed.
λ = 11 m · f = 24 Hz
8. A wave has frequency 8 Hz and wavelength 11 m. Use v = fλ to calculate its wave speed.
λ = 11 m · f = 8 Hz
9. A wave has frequency 26 Hz and wavelength 4 m. Use v = fλ to calculate its wave speed.
λ = 4 m · f = 26 Hz
10. A wave has frequency 21 Hz and wavelength 13 m. Use v = fλ to calculate its wave speed.
λ = 13 m · f = 21 Hz
11. A wave has frequency 18 Hz and wavelength 3 m. Use v = fλ to calculate its wave speed.
λ = 3 m · f = 18 Hz
12. A wave has frequency 11 Hz and wavelength 10 m. Use v = fλ to calculate its wave speed.
λ = 10 m · f = 11 Hz

12 questions · Seed 104732 · 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 14 Hz and wavelength 4 m. Use v = fλ to calculate its wave speed.
56 m/s
Wave speed v = f × λ = 14 × 4 = 56 m/s.
2. A wave has frequency 9 Hz and wavelength 8 m. Use v = fλ to calculate its wave speed.
72 m/s
Wave speed v = f × λ = 9 × 8 = 72 m/s.
3. A wave has frequency 40 Hz and wavelength 7 m. Use v = fλ to calculate its wave speed.
280 m/s
Wave speed v = f × λ = 40 × 7 = 280 m/s.
4. A wave has frequency 28 Hz and wavelength 15 m. Use v = fλ to calculate its wave speed.
420 m/s
Wave speed v = f × λ = 28 × 15 = 420 m/s.
5. A wave has frequency 18 Hz and wavelength 11 m. Use v = fλ to calculate its wave speed.
198 m/s
Wave speed v = f × λ = 18 × 11 = 198 m/s.
6. A wave has frequency 27 Hz and wavelength 5 m. Use v = fλ to calculate its wave speed.
135 m/s
Wave speed v = f × λ = 27 × 5 = 135 m/s.
7. A wave has frequency 24 Hz and wavelength 11 m. Use v = fλ to calculate its wave speed.
264 m/s
Wave speed v = f × λ = 24 × 11 = 264 m/s.
8. A wave has frequency 8 Hz and wavelength 11 m. Use v = fλ to calculate its wave speed.
88 m/s
Wave speed v = f × λ = 8 × 11 = 88 m/s.
9. A wave has frequency 26 Hz and wavelength 4 m. Use v = fλ to calculate its wave speed.
104 m/s
Wave speed v = f × λ = 26 × 4 = 104 m/s.
10. A wave has frequency 21 Hz and wavelength 13 m. Use v = fλ to calculate its wave speed.
273 m/s
Wave speed v = f × λ = 21 × 13 = 273 m/s.
11. A wave has frequency 18 Hz and wavelength 3 m. Use v = fλ to calculate its wave speed.
54 m/s
Wave speed v = f × λ = 18 × 3 = 54 m/s.
12. A wave has frequency 11 Hz and wavelength 10 m. Use v = fλ to calculate its wave speed.
110 m/s
Wave speed v = f × λ = 11 × 10 = 110 m/s.

12 questions · Seed 104732 · 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 14 Hz and wavelength 4 m. Use v = fλ to calculate its wave speed.
λ = 4 m · f = 14 Hz
2. A wave has frequency 9 Hz and wavelength 8 m. Use v = fλ to calculate its wave speed.
λ = 8 m · f = 9 Hz
3. A wave has frequency 40 Hz and wavelength 7 m. Use v = fλ to calculate its wave speed.
λ = 7 m · f = 40 Hz
4. A wave has frequency 28 Hz and wavelength 15 m. Use v = fλ to calculate its wave speed.
λ = 15 m · f = 28 Hz
5. A wave has frequency 18 Hz and wavelength 11 m. Use v = fλ to calculate its wave speed.
λ = 11 m · f = 18 Hz
6. A wave has frequency 27 Hz and wavelength 5 m. Use v = fλ to calculate its wave speed.
λ = 5 m · f = 27 Hz
7. A wave has frequency 24 Hz and wavelength 11 m. Use v = fλ to calculate its wave speed.
λ = 11 m · f = 24 Hz
8. A wave has frequency 8 Hz and wavelength 11 m. Use v = fλ to calculate its wave speed.
λ = 11 m · f = 8 Hz
9. A wave has frequency 26 Hz and wavelength 4 m. Use v = fλ to calculate its wave speed.
λ = 4 m · f = 26 Hz
10. A wave has frequency 21 Hz and wavelength 13 m. Use v = fλ to calculate its wave speed.
λ = 13 m · f = 21 Hz
11. A wave has frequency 18 Hz and wavelength 3 m. Use v = fλ to calculate its wave speed.
λ = 3 m · f = 18 Hz
12. A wave has frequency 11 Hz and wavelength 10 m. Use v = fλ to calculate its wave speed.
λ = 10 m · f = 11 Hz

12 questions · Seed 104732 · 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 14 Hz and wavelength 4 m. Use v = fλ to calculate its wave speed.
56 m/s
Wave speed v = f × λ = 14 × 4 = 56 m/s.
2. A wave has frequency 9 Hz and wavelength 8 m. Use v = fλ to calculate its wave speed.
72 m/s
Wave speed v = f × λ = 9 × 8 = 72 m/s.
3. A wave has frequency 40 Hz and wavelength 7 m. Use v = fλ to calculate its wave speed.
280 m/s
Wave speed v = f × λ = 40 × 7 = 280 m/s.
4. A wave has frequency 28 Hz and wavelength 15 m. Use v = fλ to calculate its wave speed.
420 m/s
Wave speed v = f × λ = 28 × 15 = 420 m/s.
5. A wave has frequency 18 Hz and wavelength 11 m. Use v = fλ to calculate its wave speed.
198 m/s
Wave speed v = f × λ = 18 × 11 = 198 m/s.
6. A wave has frequency 27 Hz and wavelength 5 m. Use v = fλ to calculate its wave speed.
135 m/s
Wave speed v = f × λ = 27 × 5 = 135 m/s.
7. A wave has frequency 24 Hz and wavelength 11 m. Use v = fλ to calculate its wave speed.
264 m/s
Wave speed v = f × λ = 24 × 11 = 264 m/s.
8. A wave has frequency 8 Hz and wavelength 11 m. Use v = fλ to calculate its wave speed.
88 m/s
Wave speed v = f × λ = 8 × 11 = 88 m/s.
9. A wave has frequency 26 Hz and wavelength 4 m. Use v = fλ to calculate its wave speed.
104 m/s
Wave speed v = f × λ = 26 × 4 = 104 m/s.
10. A wave has frequency 21 Hz and wavelength 13 m. Use v = fλ to calculate its wave speed.
273 m/s
Wave speed v = f × λ = 21 × 13 = 273 m/s.
11. A wave has frequency 18 Hz and wavelength 3 m. Use v = fλ to calculate its wave speed.
54 m/s
Wave speed v = f × λ = 18 × 3 = 54 m/s.
12. A wave has frequency 11 Hz and wavelength 10 m. Use v = fλ to calculate its wave speed.
110 m/s
Wave speed v = f × λ = 11 × 10 = 110 m/s.

12 questions · Seed 104732 · Age guidance, not curriculum certification