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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Age band:Ages 13-15 Ages 16-18

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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 18 Hz and wavelength 11 m. Use v = fλ to calculate its wave speed.
λ = 11 m · f = 18 Hz
2. A wave has frequency 28 Hz and wavelength 11 m. Use v = fλ to calculate its wave speed.
λ = 11 m · f = 28 Hz
3. A wave has frequency 11 Hz and wavelength 6 m. Use v = fλ to calculate its wave speed.
λ = 6 m · f = 11 Hz
4. A wave has frequency 19 Hz and wavelength 2 m. Use v = fλ to calculate its wave speed.
λ = 2 m · f = 19 Hz
5. A wave has frequency 4 Hz and wavelength 8 m. Use v = fλ to calculate its wave speed.
λ = 8 m · f = 4 Hz
6. A wave has frequency 19 Hz and wavelength 15 m. Use v = fλ to calculate its wave speed.
λ = 15 m · f = 19 Hz
7. A wave has frequency 31 Hz and wavelength 11 m. Use v = fλ to calculate its wave speed.
λ = 11 m · f = 31 Hz
8. A wave has frequency 16 Hz and wavelength 6 m. Use v = fλ to calculate its wave speed.
λ = 6 m · f = 16 Hz
9. A wave has frequency 34 Hz and wavelength 5 m. Use v = fλ to calculate its wave speed.
λ = 5 m · f = 34 Hz
10. A wave has frequency 21 Hz and wavelength 15 m. Use v = fλ to calculate its wave speed.
λ = 15 m · f = 21 Hz
11. A wave has frequency 12 Hz and wavelength 11 m. Use v = fλ to calculate its wave speed.
λ = 11 m · f = 12 Hz
12. A wave has frequency 26 Hz and wavelength 2 m. Use v = fλ to calculate its wave speed.
λ = 2 m · f = 26 Hz

12 questions · Seed 47 · 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 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.
2. A wave has frequency 28 Hz and wavelength 11 m. Use v = fλ to calculate its wave speed.
308 m/s
Wave speed v = f × λ = 28 × 11 = 308 m/s.
3. A wave has frequency 11 Hz and wavelength 6 m. Use v = fλ to calculate its wave speed.
66 m/s
Wave speed v = f × λ = 11 × 6 = 66 m/s.
4. A wave has frequency 19 Hz and wavelength 2 m. Use v = fλ to calculate its wave speed.
38 m/s
Wave speed v = f × λ = 19 × 2 = 38 m/s.
5. A wave has frequency 4 Hz and wavelength 8 m. Use v = fλ to calculate its wave speed.
32 m/s
Wave speed v = f × λ = 4 × 8 = 32 m/s.
6. A wave has frequency 19 Hz and wavelength 15 m. Use v = fλ to calculate its wave speed.
285 m/s
Wave speed v = f × λ = 19 × 15 = 285 m/s.
7. A wave has frequency 31 Hz and wavelength 11 m. Use v = fλ to calculate its wave speed.
341 m/s
Wave speed v = f × λ = 31 × 11 = 341 m/s.
8. A wave has frequency 16 Hz and wavelength 6 m. Use v = fλ to calculate its wave speed.
96 m/s
Wave speed v = f × λ = 16 × 6 = 96 m/s.
9. A wave has frequency 34 Hz and wavelength 5 m. Use v = fλ to calculate its wave speed.
170 m/s
Wave speed v = f × λ = 34 × 5 = 170 m/s.
10. A wave has frequency 21 Hz and wavelength 15 m. Use v = fλ to calculate its wave speed.
315 m/s
Wave speed v = f × λ = 21 × 15 = 315 m/s.
11. 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.
12. A wave has frequency 26 Hz and wavelength 2 m. Use v = fλ to calculate its wave speed.
52 m/s
Wave speed v = f × λ = 26 × 2 = 52 m/s.

12 questions · Seed 47 · 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 18 Hz and wavelength 11 m. Use v = fλ to calculate its wave speed.
λ = 11 m · f = 18 Hz
2. A wave has frequency 28 Hz and wavelength 11 m. Use v = fλ to calculate its wave speed.
λ = 11 m · f = 28 Hz
3. A wave has frequency 11 Hz and wavelength 6 m. Use v = fλ to calculate its wave speed.
λ = 6 m · f = 11 Hz
4. A wave has frequency 19 Hz and wavelength 2 m. Use v = fλ to calculate its wave speed.
λ = 2 m · f = 19 Hz
5. A wave has frequency 4 Hz and wavelength 8 m. Use v = fλ to calculate its wave speed.
λ = 8 m · f = 4 Hz
6. A wave has frequency 19 Hz and wavelength 15 m. Use v = fλ to calculate its wave speed.
λ = 15 m · f = 19 Hz
7. A wave has frequency 31 Hz and wavelength 11 m. Use v = fλ to calculate its wave speed.
λ = 11 m · f = 31 Hz
8. A wave has frequency 16 Hz and wavelength 6 m. Use v = fλ to calculate its wave speed.
λ = 6 m · f = 16 Hz
9. A wave has frequency 34 Hz and wavelength 5 m. Use v = fλ to calculate its wave speed.
λ = 5 m · f = 34 Hz
10. A wave has frequency 21 Hz and wavelength 15 m. Use v = fλ to calculate its wave speed.
λ = 15 m · f = 21 Hz
11. A wave has frequency 12 Hz and wavelength 11 m. Use v = fλ to calculate its wave speed.
λ = 11 m · f = 12 Hz
12. A wave has frequency 26 Hz and wavelength 2 m. Use v = fλ to calculate its wave speed.
λ = 2 m · f = 26 Hz

12 questions · Seed 47 · 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 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.
2. A wave has frequency 28 Hz and wavelength 11 m. Use v = fλ to calculate its wave speed.
308 m/s
Wave speed v = f × λ = 28 × 11 = 308 m/s.
3. A wave has frequency 11 Hz and wavelength 6 m. Use v = fλ to calculate its wave speed.
66 m/s
Wave speed v = f × λ = 11 × 6 = 66 m/s.
4. A wave has frequency 19 Hz and wavelength 2 m. Use v = fλ to calculate its wave speed.
38 m/s
Wave speed v = f × λ = 19 × 2 = 38 m/s.
5. A wave has frequency 4 Hz and wavelength 8 m. Use v = fλ to calculate its wave speed.
32 m/s
Wave speed v = f × λ = 4 × 8 = 32 m/s.
6. A wave has frequency 19 Hz and wavelength 15 m. Use v = fλ to calculate its wave speed.
285 m/s
Wave speed v = f × λ = 19 × 15 = 285 m/s.
7. A wave has frequency 31 Hz and wavelength 11 m. Use v = fλ to calculate its wave speed.
341 m/s
Wave speed v = f × λ = 31 × 11 = 341 m/s.
8. A wave has frequency 16 Hz and wavelength 6 m. Use v = fλ to calculate its wave speed.
96 m/s
Wave speed v = f × λ = 16 × 6 = 96 m/s.
9. A wave has frequency 34 Hz and wavelength 5 m. Use v = fλ to calculate its wave speed.
170 m/s
Wave speed v = f × λ = 34 × 5 = 170 m/s.
10. A wave has frequency 21 Hz and wavelength 15 m. Use v = fλ to calculate its wave speed.
315 m/s
Wave speed v = f × λ = 21 × 15 = 315 m/s.
11. 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.
12. A wave has frequency 26 Hz and wavelength 2 m. Use v = fλ to calculate its wave speed.
52 m/s
Wave speed v = f × λ = 26 × 2 = 52 m/s.

12 questions · Seed 47 · Age guidance, not curriculum certification