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 3 Hz and wavelength 15 m. Use v = fλ to calculate its wave speed.
λ = 15 m · f = 3 Hz
2. A wave has frequency 20 Hz and wavelength 10 m. Use v = fλ to calculate its wave speed.
λ = 10 m · f = 20 Hz
3. A wave has frequency 8 Hz and wavelength 3 m. Use v = fλ to calculate its wave speed.
λ = 3 m · f = 8 Hz
4. A wave has frequency 34 Hz and wavelength 4 m. Use v = fλ to calculate its wave speed.
λ = 4 m · f = 34 Hz
5. A wave has frequency 10 Hz and wavelength 9 m. Use v = fλ to calculate its wave speed.
λ = 9 m · f = 10 Hz
6. A wave has frequency 19 Hz and wavelength 12 m. Use v = fλ to calculate its wave speed.
λ = 12 m · f = 19 Hz
7. A wave has frequency 22 Hz and wavelength 5 m. Use v = fλ to calculate its wave speed.
λ = 5 m · f = 22 Hz
8. A wave has frequency 35 Hz and wavelength 15 m. Use v = fλ to calculate its wave speed.
λ = 15 m · f = 35 Hz
9. A wave has frequency 11 Hz and wavelength 7 m. Use v = fλ to calculate its wave speed.
λ = 7 m · f = 11 Hz
10. A wave has frequency 32 Hz and wavelength 5 m. Use v = fλ to calculate its wave speed.
λ = 5 m · f = 32 Hz
11. A wave has frequency 27 Hz and wavelength 14 m. Use v = fλ to calculate its wave speed.
λ = 14 m · f = 27 Hz
12. A wave has frequency 24 Hz and wavelength 5 m. Use v = fλ to calculate its wave speed.
λ = 5 m · f = 24 Hz

12 questions · Seed 54 · 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 3 Hz and wavelength 15 m. Use v = fλ to calculate its wave speed.
45 m/s
Wave speed v = f × λ = 3 × 15 = 45 m/s.
2. 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.
3. A wave has frequency 8 Hz and wavelength 3 m. Use v = fλ to calculate its wave speed.
24 m/s
Wave speed v = f × λ = 8 × 3 = 24 m/s.
4. A wave has frequency 34 Hz and wavelength 4 m. Use v = fλ to calculate its wave speed.
136 m/s
Wave speed v = f × λ = 34 × 4 = 136 m/s.
5. A wave has frequency 10 Hz and wavelength 9 m. Use v = fλ to calculate its wave speed.
90 m/s
Wave speed v = f × λ = 10 × 9 = 90 m/s.
6. A wave has frequency 19 Hz and wavelength 12 m. Use v = fλ to calculate its wave speed.
228 m/s
Wave speed v = f × λ = 19 × 12 = 228 m/s.
7. A wave has frequency 22 Hz and wavelength 5 m. Use v = fλ to calculate its wave speed.
110 m/s
Wave speed v = f × λ = 22 × 5 = 110 m/s.
8. A wave has frequency 35 Hz and wavelength 15 m. Use v = fλ to calculate its wave speed.
525 m/s
Wave speed v = f × λ = 35 × 15 = 525 m/s.
9. A wave has frequency 11 Hz and wavelength 7 m. Use v = fλ to calculate its wave speed.
77 m/s
Wave speed v = f × λ = 11 × 7 = 77 m/s.
10. A wave has frequency 32 Hz and wavelength 5 m. Use v = fλ to calculate its wave speed.
160 m/s
Wave speed v = f × λ = 32 × 5 = 160 m/s.
11. A wave has frequency 27 Hz and wavelength 14 m. Use v = fλ to calculate its wave speed.
378 m/s
Wave speed v = f × λ = 27 × 14 = 378 m/s.
12. 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.

12 questions · Seed 54 · 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 3 Hz and wavelength 15 m. Use v = fλ to calculate its wave speed.
λ = 15 m · f = 3 Hz
2. A wave has frequency 20 Hz and wavelength 10 m. Use v = fλ to calculate its wave speed.
λ = 10 m · f = 20 Hz
3. A wave has frequency 8 Hz and wavelength 3 m. Use v = fλ to calculate its wave speed.
λ = 3 m · f = 8 Hz
4. A wave has frequency 34 Hz and wavelength 4 m. Use v = fλ to calculate its wave speed.
λ = 4 m · f = 34 Hz
5. A wave has frequency 10 Hz and wavelength 9 m. Use v = fλ to calculate its wave speed.
λ = 9 m · f = 10 Hz
6. A wave has frequency 19 Hz and wavelength 12 m. Use v = fλ to calculate its wave speed.
λ = 12 m · f = 19 Hz
7. A wave has frequency 22 Hz and wavelength 5 m. Use v = fλ to calculate its wave speed.
λ = 5 m · f = 22 Hz
8. A wave has frequency 35 Hz and wavelength 15 m. Use v = fλ to calculate its wave speed.
λ = 15 m · f = 35 Hz
9. A wave has frequency 11 Hz and wavelength 7 m. Use v = fλ to calculate its wave speed.
λ = 7 m · f = 11 Hz
10. A wave has frequency 32 Hz and wavelength 5 m. Use v = fλ to calculate its wave speed.
λ = 5 m · f = 32 Hz
11. A wave has frequency 27 Hz and wavelength 14 m. Use v = fλ to calculate its wave speed.
λ = 14 m · f = 27 Hz
12. A wave has frequency 24 Hz and wavelength 5 m. Use v = fλ to calculate its wave speed.
λ = 5 m · f = 24 Hz

12 questions · Seed 54 · 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 3 Hz and wavelength 15 m. Use v = fλ to calculate its wave speed.
45 m/s
Wave speed v = f × λ = 3 × 15 = 45 m/s.
2. 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.
3. A wave has frequency 8 Hz and wavelength 3 m. Use v = fλ to calculate its wave speed.
24 m/s
Wave speed v = f × λ = 8 × 3 = 24 m/s.
4. A wave has frequency 34 Hz and wavelength 4 m. Use v = fλ to calculate its wave speed.
136 m/s
Wave speed v = f × λ = 34 × 4 = 136 m/s.
5. A wave has frequency 10 Hz and wavelength 9 m. Use v = fλ to calculate its wave speed.
90 m/s
Wave speed v = f × λ = 10 × 9 = 90 m/s.
6. A wave has frequency 19 Hz and wavelength 12 m. Use v = fλ to calculate its wave speed.
228 m/s
Wave speed v = f × λ = 19 × 12 = 228 m/s.
7. A wave has frequency 22 Hz and wavelength 5 m. Use v = fλ to calculate its wave speed.
110 m/s
Wave speed v = f × λ = 22 × 5 = 110 m/s.
8. A wave has frequency 35 Hz and wavelength 15 m. Use v = fλ to calculate its wave speed.
525 m/s
Wave speed v = f × λ = 35 × 15 = 525 m/s.
9. A wave has frequency 11 Hz and wavelength 7 m. Use v = fλ to calculate its wave speed.
77 m/s
Wave speed v = f × λ = 11 × 7 = 77 m/s.
10. A wave has frequency 32 Hz and wavelength 5 m. Use v = fλ to calculate its wave speed.
160 m/s
Wave speed v = f × λ = 32 × 5 = 160 m/s.
11. A wave has frequency 27 Hz and wavelength 14 m. Use v = fλ to calculate its wave speed.
378 m/s
Wave speed v = f × λ = 27 × 14 = 378 m/s.
12. 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.

12 questions · Seed 54 · Age guidance, not curriculum certification