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 40 Hz and wavelength 11 m. Use v = fλ to calculate its wave speed.
λ = 11 m · f = 40 Hz
2. A wave has frequency 13 Hz and wavelength 4 m. Use v = fλ to calculate its wave speed.
λ = 4 m · f = 13 Hz
3. A wave has frequency 16 Hz and wavelength 15 m. Use v = fλ to calculate its wave speed.
λ = 15 m · f = 16 Hz
4. A wave has frequency 35 Hz and wavelength 15 m. Use v = fλ to calculate its wave speed.
λ = 15 m · f = 35 Hz
5. A wave has frequency 21 Hz and wavelength 13 m. Use v = fλ to calculate its wave speed.
λ = 13 m · f = 21 Hz
6. A wave has frequency 3 Hz and wavelength 15 m. Use v = fλ to calculate its wave speed.
λ = 15 m · f = 3 Hz
7. A wave has frequency 25 Hz and wavelength 10 m. Use v = fλ to calculate its wave speed.
λ = 10 m · f = 25 Hz
8. A wave has frequency 16 Hz and wavelength 14 m. Use v = fλ to calculate its wave speed.
λ = 14 m · f = 16 Hz
9. A wave has frequency 29 Hz and wavelength 13 m. Use v = fλ to calculate its wave speed.
λ = 13 m · f = 29 Hz
10. A wave has frequency 29 Hz and wavelength 5 m. Use v = fλ to calculate its wave speed.
λ = 5 m · f = 29 Hz
11. A wave has frequency 22 Hz and wavelength 10 m. Use v = fλ to calculate its wave speed.
λ = 10 m · f = 22 Hz
12. A wave has frequency 5 Hz and wavelength 6 m. Use v = fλ to calculate its wave speed.
λ = 6 m · f = 5 Hz

12 questions · Seed 43 · 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 40 Hz and wavelength 11 m. Use v = fλ to calculate its wave speed.
440 m/s
Wave speed v = f × λ = 40 × 11 = 440 m/s.
2. A wave has frequency 13 Hz and wavelength 4 m. Use v = fλ to calculate its wave speed.
52 m/s
Wave speed v = f × λ = 13 × 4 = 52 m/s.
3. A wave has frequency 16 Hz and wavelength 15 m. Use v = fλ to calculate its wave speed.
240 m/s
Wave speed v = f × λ = 16 × 15 = 240 m/s.
4. 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.
5. A wave has frequency 21 Hz and wavelength 13 m. Use v = fλ to calculate its wave speed.
273 m/s
Wave speed v = f × λ = 21 × 13 = 273 m/s.
6. 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.
7. 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.
8. 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.
9. A wave has frequency 29 Hz and wavelength 13 m. Use v = fλ to calculate its wave speed.
377 m/s
Wave speed v = f × λ = 29 × 13 = 377 m/s.
10. A wave has frequency 29 Hz and wavelength 5 m. Use v = fλ to calculate its wave speed.
145 m/s
Wave speed v = f × λ = 29 × 5 = 145 m/s.
11. A wave has frequency 22 Hz and wavelength 10 m. Use v = fλ to calculate its wave speed.
220 m/s
Wave speed v = f × λ = 22 × 10 = 220 m/s.
12. A wave has frequency 5 Hz and wavelength 6 m. Use v = fλ to calculate its wave speed.
30 m/s
Wave speed v = f × λ = 5 × 6 = 30 m/s.

12 questions · Seed 43 · 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 40 Hz and wavelength 11 m. Use v = fλ to calculate its wave speed.
λ = 11 m · f = 40 Hz
2. A wave has frequency 13 Hz and wavelength 4 m. Use v = fλ to calculate its wave speed.
λ = 4 m · f = 13 Hz
3. A wave has frequency 16 Hz and wavelength 15 m. Use v = fλ to calculate its wave speed.
λ = 15 m · f = 16 Hz
4. A wave has frequency 35 Hz and wavelength 15 m. Use v = fλ to calculate its wave speed.
λ = 15 m · f = 35 Hz
5. A wave has frequency 21 Hz and wavelength 13 m. Use v = fλ to calculate its wave speed.
λ = 13 m · f = 21 Hz
6. A wave has frequency 3 Hz and wavelength 15 m. Use v = fλ to calculate its wave speed.
λ = 15 m · f = 3 Hz
7. A wave has frequency 25 Hz and wavelength 10 m. Use v = fλ to calculate its wave speed.
λ = 10 m · f = 25 Hz
8. A wave has frequency 16 Hz and wavelength 14 m. Use v = fλ to calculate its wave speed.
λ = 14 m · f = 16 Hz
9. A wave has frequency 29 Hz and wavelength 13 m. Use v = fλ to calculate its wave speed.
λ = 13 m · f = 29 Hz
10. A wave has frequency 29 Hz and wavelength 5 m. Use v = fλ to calculate its wave speed.
λ = 5 m · f = 29 Hz
11. A wave has frequency 22 Hz and wavelength 10 m. Use v = fλ to calculate its wave speed.
λ = 10 m · f = 22 Hz
12. A wave has frequency 5 Hz and wavelength 6 m. Use v = fλ to calculate its wave speed.
λ = 6 m · f = 5 Hz

12 questions · Seed 43 · 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 40 Hz and wavelength 11 m. Use v = fλ to calculate its wave speed.
440 m/s
Wave speed v = f × λ = 40 × 11 = 440 m/s.
2. A wave has frequency 13 Hz and wavelength 4 m. Use v = fλ to calculate its wave speed.
52 m/s
Wave speed v = f × λ = 13 × 4 = 52 m/s.
3. A wave has frequency 16 Hz and wavelength 15 m. Use v = fλ to calculate its wave speed.
240 m/s
Wave speed v = f × λ = 16 × 15 = 240 m/s.
4. 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.
5. A wave has frequency 21 Hz and wavelength 13 m. Use v = fλ to calculate its wave speed.
273 m/s
Wave speed v = f × λ = 21 × 13 = 273 m/s.
6. 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.
7. 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.
8. 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.
9. A wave has frequency 29 Hz and wavelength 13 m. Use v = fλ to calculate its wave speed.
377 m/s
Wave speed v = f × λ = 29 × 13 = 377 m/s.
10. A wave has frequency 29 Hz and wavelength 5 m. Use v = fλ to calculate its wave speed.
145 m/s
Wave speed v = f × λ = 29 × 5 = 145 m/s.
11. A wave has frequency 22 Hz and wavelength 10 m. Use v = fλ to calculate its wave speed.
220 m/s
Wave speed v = f × λ = 22 × 10 = 220 m/s.
12. A wave has frequency 5 Hz and wavelength 6 m. Use v = fλ to calculate its wave speed.
30 m/s
Wave speed v = f × λ = 5 × 6 = 30 m/s.

12 questions · Seed 43 · Age guidance, not curriculum certification