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 16 Hz and wavelength 13 m. Use v = fλ to calculate its wave speed.
λ = 13 m · f = 16 Hz
2. A wave has frequency 26 Hz and wavelength 15 m. Use v = fλ to calculate its wave speed.
λ = 15 m · f = 26 Hz
3. A wave has frequency 28 Hz and wavelength 2 m. Use v = fλ to calculate its wave speed.
λ = 2 m · f = 28 Hz
4. A wave has frequency 38 Hz and wavelength 8 m. Use v = fλ to calculate its wave speed.
λ = 8 m · f = 38 Hz
5. A wave has frequency 19 Hz and wavelength 11 m. Use v = fλ to calculate its wave speed.
λ = 11 m · f = 19 Hz
6. A wave has frequency 3 Hz and wavelength 7 m. Use v = fλ to calculate its wave speed.
λ = 7 m · f = 3 Hz
7. A wave has frequency 7 Hz and wavelength 10 m. Use v = fλ to calculate its wave speed.
λ = 10 m · f = 7 Hz
8. A wave has frequency 19 Hz and wavelength 5 m. Use v = fλ to calculate its wave speed.
λ = 5 m · f = 19 Hz
9. A wave has frequency 24 Hz and wavelength 14 m. Use v = fλ to calculate its wave speed.
λ = 14 m · f = 24 Hz
10. A wave has frequency 21 Hz and wavelength 12 m. Use v = fλ to calculate its wave speed.
λ = 12 m · f = 21 Hz
11. A wave has frequency 18 Hz and wavelength 13 m. Use v = fλ to calculate its wave speed.
λ = 13 m · f = 18 Hz
12. A wave has frequency 3 Hz and wavelength 15 m. Use v = fλ to calculate its wave speed.
λ = 15 m · f = 3 Hz

12 questions · Seed 55 · 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 16 Hz and wavelength 13 m. Use v = fλ to calculate its wave speed.
208 m/s
Wave speed v = f × λ = 16 × 13 = 208 m/s.
2. A wave has frequency 26 Hz and wavelength 15 m. Use v = fλ to calculate its wave speed.
390 m/s
Wave speed v = f × λ = 26 × 15 = 390 m/s.
3. A wave has frequency 28 Hz and wavelength 2 m. Use v = fλ to calculate its wave speed.
56 m/s
Wave speed v = f × λ = 28 × 2 = 56 m/s.
4. 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.
5. A wave has frequency 19 Hz and wavelength 11 m. Use v = fλ to calculate its wave speed.
209 m/s
Wave speed v = f × λ = 19 × 11 = 209 m/s.
6. A wave has frequency 3 Hz and wavelength 7 m. Use v = fλ to calculate its wave speed.
21 m/s
Wave speed v = f × λ = 3 × 7 = 21 m/s.
7. A wave has frequency 7 Hz and wavelength 10 m. Use v = fλ to calculate its wave speed.
70 m/s
Wave speed v = f × λ = 7 × 10 = 70 m/s.
8. A wave has frequency 19 Hz and wavelength 5 m. Use v = fλ to calculate its wave speed.
95 m/s
Wave speed v = f × λ = 19 × 5 = 95 m/s.
9. A wave has frequency 24 Hz and wavelength 14 m. Use v = fλ to calculate its wave speed.
336 m/s
Wave speed v = f × λ = 24 × 14 = 336 m/s.
10. 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.
11. A wave has frequency 18 Hz and wavelength 13 m. Use v = fλ to calculate its wave speed.
234 m/s
Wave speed v = f × λ = 18 × 13 = 234 m/s.
12. 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.

12 questions · Seed 55 · 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 16 Hz and wavelength 13 m. Use v = fλ to calculate its wave speed.
λ = 13 m · f = 16 Hz
2. A wave has frequency 26 Hz and wavelength 15 m. Use v = fλ to calculate its wave speed.
λ = 15 m · f = 26 Hz
3. A wave has frequency 28 Hz and wavelength 2 m. Use v = fλ to calculate its wave speed.
λ = 2 m · f = 28 Hz
4. A wave has frequency 38 Hz and wavelength 8 m. Use v = fλ to calculate its wave speed.
λ = 8 m · f = 38 Hz
5. A wave has frequency 19 Hz and wavelength 11 m. Use v = fλ to calculate its wave speed.
λ = 11 m · f = 19 Hz
6. A wave has frequency 3 Hz and wavelength 7 m. Use v = fλ to calculate its wave speed.
λ = 7 m · f = 3 Hz
7. A wave has frequency 7 Hz and wavelength 10 m. Use v = fλ to calculate its wave speed.
λ = 10 m · f = 7 Hz
8. A wave has frequency 19 Hz and wavelength 5 m. Use v = fλ to calculate its wave speed.
λ = 5 m · f = 19 Hz
9. A wave has frequency 24 Hz and wavelength 14 m. Use v = fλ to calculate its wave speed.
λ = 14 m · f = 24 Hz
10. A wave has frequency 21 Hz and wavelength 12 m. Use v = fλ to calculate its wave speed.
λ = 12 m · f = 21 Hz
11. A wave has frequency 18 Hz and wavelength 13 m. Use v = fλ to calculate its wave speed.
λ = 13 m · f = 18 Hz
12. A wave has frequency 3 Hz and wavelength 15 m. Use v = fλ to calculate its wave speed.
λ = 15 m · f = 3 Hz

12 questions · Seed 55 · 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 16 Hz and wavelength 13 m. Use v = fλ to calculate its wave speed.
208 m/s
Wave speed v = f × λ = 16 × 13 = 208 m/s.
2. A wave has frequency 26 Hz and wavelength 15 m. Use v = fλ to calculate its wave speed.
390 m/s
Wave speed v = f × λ = 26 × 15 = 390 m/s.
3. A wave has frequency 28 Hz and wavelength 2 m. Use v = fλ to calculate its wave speed.
56 m/s
Wave speed v = f × λ = 28 × 2 = 56 m/s.
4. 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.
5. A wave has frequency 19 Hz and wavelength 11 m. Use v = fλ to calculate its wave speed.
209 m/s
Wave speed v = f × λ = 19 × 11 = 209 m/s.
6. A wave has frequency 3 Hz and wavelength 7 m. Use v = fλ to calculate its wave speed.
21 m/s
Wave speed v = f × λ = 3 × 7 = 21 m/s.
7. A wave has frequency 7 Hz and wavelength 10 m. Use v = fλ to calculate its wave speed.
70 m/s
Wave speed v = f × λ = 7 × 10 = 70 m/s.
8. A wave has frequency 19 Hz and wavelength 5 m. Use v = fλ to calculate its wave speed.
95 m/s
Wave speed v = f × λ = 19 × 5 = 95 m/s.
9. A wave has frequency 24 Hz and wavelength 14 m. Use v = fλ to calculate its wave speed.
336 m/s
Wave speed v = f × λ = 24 × 14 = 336 m/s.
10. 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.
11. A wave has frequency 18 Hz and wavelength 13 m. Use v = fλ to calculate its wave speed.
234 m/s
Wave speed v = f × λ = 18 × 13 = 234 m/s.
12. 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.

12 questions · Seed 55 · Age guidance, not curriculum certification