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 8 Hz and wavelength 12 m. Use v = fλ to calculate its wave speed.
λ = 12 m · f = 8 Hz
2. A wave has frequency 38 Hz and wavelength 8 m. Use v = fλ to calculate its wave speed.
λ = 8 m · f = 38 Hz
3. A wave has frequency 21 Hz and wavelength 12 m. Use v = fλ to calculate its wave speed.
λ = 12 m · f = 21 Hz
4. A wave has frequency 9 Hz and wavelength 2 m. Use v = fλ to calculate its wave speed.
λ = 2 m · f = 9 Hz
5. A wave has frequency 29 Hz and wavelength 8 m. Use v = fλ to calculate its wave speed.
λ = 8 m · f = 29 Hz
6. A wave has frequency 15 Hz and wavelength 12 m. Use v = fλ to calculate its wave speed.
λ = 12 m · f = 15 Hz
7. A wave has frequency 22 Hz and wavelength 8 m. Use v = fλ to calculate its wave speed.
λ = 8 m · f = 22 Hz
8. A wave has frequency 8 Hz and wavelength 14 m. Use v = fλ to calculate its wave speed.
λ = 14 m · f = 8 Hz
9. A wave has frequency 2 Hz and wavelength 8 m. Use v = fλ to calculate its wave speed.
λ = 8 m · f = 2 Hz
10. A wave has frequency 9 Hz and wavelength 13 m. Use v = fλ to calculate its wave speed.
λ = 13 m · f = 9 Hz
11. A wave has frequency 20 Hz and wavelength 10 m. Use v = fλ to calculate its wave speed.
λ = 10 m · f = 20 Hz
12. A wave has frequency 14 Hz and wavelength 4 m. Use v = fλ to calculate its wave speed.
λ = 4 m · f = 14 Hz

12 questions · Seed 104734 · 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 8 Hz and wavelength 12 m. Use v = fλ to calculate its wave speed.
96 m/s
Wave speed v = f × λ = 8 × 12 = 96 m/s.
2. A wave has frequency 38 Hz and wavelength 8 m. Use v = fλ to calculate its wave speed.
304 m/s
Wave speed v = f × λ = 38 × 8 = 304 m/s.
3. A wave has frequency 21 Hz and wavelength 12 m. Use v = fλ to calculate its wave speed.
252 m/s
Wave speed v = f × λ = 21 × 12 = 252 m/s.
4. A wave has frequency 9 Hz and wavelength 2 m. Use v = fλ to calculate its wave speed.
18 m/s
Wave speed v = f × λ = 9 × 2 = 18 m/s.
5. A wave has frequency 29 Hz and wavelength 8 m. Use v = fλ to calculate its wave speed.
232 m/s
Wave speed v = f × λ = 29 × 8 = 232 m/s.
6. A wave has frequency 15 Hz and wavelength 12 m. Use v = fλ to calculate its wave speed.
180 m/s
Wave speed v = f × λ = 15 × 12 = 180 m/s.
7. A wave has frequency 22 Hz and wavelength 8 m. Use v = fλ to calculate its wave speed.
176 m/s
Wave speed v = f × λ = 22 × 8 = 176 m/s.
8. A wave has frequency 8 Hz and wavelength 14 m. Use v = fλ to calculate its wave speed.
112 m/s
Wave speed v = f × λ = 8 × 14 = 112 m/s.
9. A wave has frequency 2 Hz and wavelength 8 m. Use v = fλ to calculate its wave speed.
16 m/s
Wave speed v = f × λ = 2 × 8 = 16 m/s.
10. A wave has frequency 9 Hz and wavelength 13 m. Use v = fλ to calculate its wave speed.
117 m/s
Wave speed v = f × λ = 9 × 13 = 117 m/s.
11. A wave has frequency 20 Hz and wavelength 10 m. Use v = fλ to calculate its wave speed.
200 m/s
Wave speed v = f × λ = 20 × 10 = 200 m/s.
12. 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.

12 questions · Seed 104734 · 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 8 Hz and wavelength 12 m. Use v = fλ to calculate its wave speed.
λ = 12 m · f = 8 Hz
2. A wave has frequency 38 Hz and wavelength 8 m. Use v = fλ to calculate its wave speed.
λ = 8 m · f = 38 Hz
3. A wave has frequency 21 Hz and wavelength 12 m. Use v = fλ to calculate its wave speed.
λ = 12 m · f = 21 Hz
4. A wave has frequency 9 Hz and wavelength 2 m. Use v = fλ to calculate its wave speed.
λ = 2 m · f = 9 Hz
5. A wave has frequency 29 Hz and wavelength 8 m. Use v = fλ to calculate its wave speed.
λ = 8 m · f = 29 Hz
6. A wave has frequency 15 Hz and wavelength 12 m. Use v = fλ to calculate its wave speed.
λ = 12 m · f = 15 Hz
7. A wave has frequency 22 Hz and wavelength 8 m. Use v = fλ to calculate its wave speed.
λ = 8 m · f = 22 Hz
8. A wave has frequency 8 Hz and wavelength 14 m. Use v = fλ to calculate its wave speed.
λ = 14 m · f = 8 Hz
9. A wave has frequency 2 Hz and wavelength 8 m. Use v = fλ to calculate its wave speed.
λ = 8 m · f = 2 Hz
10. A wave has frequency 9 Hz and wavelength 13 m. Use v = fλ to calculate its wave speed.
λ = 13 m · f = 9 Hz
11. A wave has frequency 20 Hz and wavelength 10 m. Use v = fλ to calculate its wave speed.
λ = 10 m · f = 20 Hz
12. A wave has frequency 14 Hz and wavelength 4 m. Use v = fλ to calculate its wave speed.
λ = 4 m · f = 14 Hz

12 questions · Seed 104734 · 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 8 Hz and wavelength 12 m. Use v = fλ to calculate its wave speed.
96 m/s
Wave speed v = f × λ = 8 × 12 = 96 m/s.
2. A wave has frequency 38 Hz and wavelength 8 m. Use v = fλ to calculate its wave speed.
304 m/s
Wave speed v = f × λ = 38 × 8 = 304 m/s.
3. A wave has frequency 21 Hz and wavelength 12 m. Use v = fλ to calculate its wave speed.
252 m/s
Wave speed v = f × λ = 21 × 12 = 252 m/s.
4. A wave has frequency 9 Hz and wavelength 2 m. Use v = fλ to calculate its wave speed.
18 m/s
Wave speed v = f × λ = 9 × 2 = 18 m/s.
5. A wave has frequency 29 Hz and wavelength 8 m. Use v = fλ to calculate its wave speed.
232 m/s
Wave speed v = f × λ = 29 × 8 = 232 m/s.
6. A wave has frequency 15 Hz and wavelength 12 m. Use v = fλ to calculate its wave speed.
180 m/s
Wave speed v = f × λ = 15 × 12 = 180 m/s.
7. A wave has frequency 22 Hz and wavelength 8 m. Use v = fλ to calculate its wave speed.
176 m/s
Wave speed v = f × λ = 22 × 8 = 176 m/s.
8. A wave has frequency 8 Hz and wavelength 14 m. Use v = fλ to calculate its wave speed.
112 m/s
Wave speed v = f × λ = 8 × 14 = 112 m/s.
9. A wave has frequency 2 Hz and wavelength 8 m. Use v = fλ to calculate its wave speed.
16 m/s
Wave speed v = f × λ = 2 × 8 = 16 m/s.
10. A wave has frequency 9 Hz and wavelength 13 m. Use v = fλ to calculate its wave speed.
117 m/s
Wave speed v = f × λ = 9 × 13 = 117 m/s.
11. A wave has frequency 20 Hz and wavelength 10 m. Use v = fλ to calculate its wave speed.
200 m/s
Wave speed v = f × λ = 20 × 10 = 200 m/s.
12. 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.

12 questions · Seed 104734 · Age guidance, not curriculum certification