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 29 Hz and wavelength 14 m. Use v = fλ to calculate its wave speed.
λ = 14 m · f = 29 Hz
2. A wave has frequency 31 Hz and wavelength 9 m. Use v = fλ to calculate its wave speed.
λ = 9 m · f = 31 Hz
3. A wave has frequency 38 Hz and wavelength 10 m. Use v = fλ to calculate its wave speed.
λ = 10 m · f = 38 Hz
4. A wave has frequency 16 Hz and wavelength 14 m. Use v = fλ to calculate its wave speed.
λ = 14 m · f = 16 Hz
5. A wave has frequency 16 Hz and wavelength 8 m. Use v = fλ to calculate its wave speed.
λ = 8 m · f = 16 Hz
6. A wave has frequency 6 Hz and wavelength 9 m. Use v = fλ to calculate its wave speed.
λ = 9 m · f = 6 Hz
7. A wave has frequency 6 Hz and wavelength 6 m. Use v = fλ to calculate its wave speed.
λ = 6 m · f = 6 Hz
8. A wave has frequency 17 Hz and wavelength 10 m. Use v = fλ to calculate its wave speed.
λ = 10 m · f = 17 Hz
9. A wave has frequency 30 Hz and wavelength 15 m. Use v = fλ to calculate its wave speed.
λ = 15 m · f = 30 Hz
10. A wave has frequency 11 Hz and wavelength 13 m. Use v = fλ to calculate its wave speed.
λ = 13 m · f = 11 Hz
11. A wave has frequency 25 Hz and wavelength 10 m. Use v = fλ to calculate its wave speed.
λ = 10 m · f = 25 Hz
12. A wave has frequency 18 Hz and wavelength 6 m. Use v = fλ to calculate its wave speed.
λ = 6 m · f = 18 Hz

12 questions · Seed 52 · 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 29 Hz and wavelength 14 m. Use v = fλ to calculate its wave speed.
406 m/s
Wave speed v = f × λ = 29 × 14 = 406 m/s.
2. A wave has frequency 31 Hz and wavelength 9 m. Use v = fλ to calculate its wave speed.
279 m/s
Wave speed v = f × λ = 31 × 9 = 279 m/s.
3. A wave has frequency 38 Hz and wavelength 10 m. Use v = fλ to calculate its wave speed.
380 m/s
Wave speed v = f × λ = 38 × 10 = 380 m/s.
4. A wave has frequency 16 Hz and wavelength 14 m. Use v = fλ to calculate its wave speed.
224 m/s
Wave speed v = f × λ = 16 × 14 = 224 m/s.
5. A wave has frequency 16 Hz and wavelength 8 m. Use v = fλ to calculate its wave speed.
128 m/s
Wave speed v = f × λ = 16 × 8 = 128 m/s.
6. A wave has frequency 6 Hz and wavelength 9 m. Use v = fλ to calculate its wave speed.
54 m/s
Wave speed v = f × λ = 6 × 9 = 54 m/s.
7. A wave has frequency 6 Hz and wavelength 6 m. Use v = fλ to calculate its wave speed.
36 m/s
Wave speed v = f × λ = 6 × 6 = 36 m/s.
8. A wave has frequency 17 Hz and wavelength 10 m. Use v = fλ to calculate its wave speed.
170 m/s
Wave speed v = f × λ = 17 × 10 = 170 m/s.
9. A wave has frequency 30 Hz and wavelength 15 m. Use v = fλ to calculate its wave speed.
450 m/s
Wave speed v = f × λ = 30 × 15 = 450 m/s.
10. A wave has frequency 11 Hz and wavelength 13 m. Use v = fλ to calculate its wave speed.
143 m/s
Wave speed v = f × λ = 11 × 13 = 143 m/s.
11. A wave has frequency 25 Hz and wavelength 10 m. Use v = fλ to calculate its wave speed.
250 m/s
Wave speed v = f × λ = 25 × 10 = 250 m/s.
12. A wave has frequency 18 Hz and wavelength 6 m. Use v = fλ to calculate its wave speed.
108 m/s
Wave speed v = f × λ = 18 × 6 = 108 m/s.

12 questions · Seed 52 · 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 29 Hz and wavelength 14 m. Use v = fλ to calculate its wave speed.
λ = 14 m · f = 29 Hz
2. A wave has frequency 31 Hz and wavelength 9 m. Use v = fλ to calculate its wave speed.
λ = 9 m · f = 31 Hz
3. A wave has frequency 38 Hz and wavelength 10 m. Use v = fλ to calculate its wave speed.
λ = 10 m · f = 38 Hz
4. A wave has frequency 16 Hz and wavelength 14 m. Use v = fλ to calculate its wave speed.
λ = 14 m · f = 16 Hz
5. A wave has frequency 16 Hz and wavelength 8 m. Use v = fλ to calculate its wave speed.
λ = 8 m · f = 16 Hz
6. A wave has frequency 6 Hz and wavelength 9 m. Use v = fλ to calculate its wave speed.
λ = 9 m · f = 6 Hz
7. A wave has frequency 6 Hz and wavelength 6 m. Use v = fλ to calculate its wave speed.
λ = 6 m · f = 6 Hz
8. A wave has frequency 17 Hz and wavelength 10 m. Use v = fλ to calculate its wave speed.
λ = 10 m · f = 17 Hz
9. A wave has frequency 30 Hz and wavelength 15 m. Use v = fλ to calculate its wave speed.
λ = 15 m · f = 30 Hz
10. A wave has frequency 11 Hz and wavelength 13 m. Use v = fλ to calculate its wave speed.
λ = 13 m · f = 11 Hz
11. A wave has frequency 25 Hz and wavelength 10 m. Use v = fλ to calculate its wave speed.
λ = 10 m · f = 25 Hz
12. A wave has frequency 18 Hz and wavelength 6 m. Use v = fλ to calculate its wave speed.
λ = 6 m · f = 18 Hz

12 questions · Seed 52 · 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 29 Hz and wavelength 14 m. Use v = fλ to calculate its wave speed.
406 m/s
Wave speed v = f × λ = 29 × 14 = 406 m/s.
2. A wave has frequency 31 Hz and wavelength 9 m. Use v = fλ to calculate its wave speed.
279 m/s
Wave speed v = f × λ = 31 × 9 = 279 m/s.
3. A wave has frequency 38 Hz and wavelength 10 m. Use v = fλ to calculate its wave speed.
380 m/s
Wave speed v = f × λ = 38 × 10 = 380 m/s.
4. A wave has frequency 16 Hz and wavelength 14 m. Use v = fλ to calculate its wave speed.
224 m/s
Wave speed v = f × λ = 16 × 14 = 224 m/s.
5. A wave has frequency 16 Hz and wavelength 8 m. Use v = fλ to calculate its wave speed.
128 m/s
Wave speed v = f × λ = 16 × 8 = 128 m/s.
6. A wave has frequency 6 Hz and wavelength 9 m. Use v = fλ to calculate its wave speed.
54 m/s
Wave speed v = f × λ = 6 × 9 = 54 m/s.
7. A wave has frequency 6 Hz and wavelength 6 m. Use v = fλ to calculate its wave speed.
36 m/s
Wave speed v = f × λ = 6 × 6 = 36 m/s.
8. A wave has frequency 17 Hz and wavelength 10 m. Use v = fλ to calculate its wave speed.
170 m/s
Wave speed v = f × λ = 17 × 10 = 170 m/s.
9. A wave has frequency 30 Hz and wavelength 15 m. Use v = fλ to calculate its wave speed.
450 m/s
Wave speed v = f × λ = 30 × 15 = 450 m/s.
10. A wave has frequency 11 Hz and wavelength 13 m. Use v = fλ to calculate its wave speed.
143 m/s
Wave speed v = f × λ = 11 × 13 = 143 m/s.
11. A wave has frequency 25 Hz and wavelength 10 m. Use v = fλ to calculate its wave speed.
250 m/s
Wave speed v = f × λ = 25 × 10 = 250 m/s.
12. A wave has frequency 18 Hz and wavelength 6 m. Use v = fλ to calculate its wave speed.
108 m/s
Wave speed v = f × λ = 18 × 6 = 108 m/s.

12 questions · Seed 52 · Age guidance, not curriculum certification