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 24 Hz and wavelength 15 m. Use v = fλ to calculate its wave speed.
λ = 15 m · f = 24 Hz
2. A wave has frequency 15 Hz and wavelength 9 m. Use v = fλ to calculate its wave speed.
λ = 9 m · f = 15 Hz
3. A wave has frequency 36 Hz and wavelength 14 m. Use v = fλ to calculate its wave speed.
λ = 14 m · f = 36 Hz
4. A wave has frequency 40 Hz and wavelength 6 m. Use v = fλ to calculate its wave speed.
λ = 6 m · f = 40 Hz
5. A wave has frequency 12 Hz and wavelength 4 m. Use v = fλ to calculate its wave speed.
λ = 4 m · f = 12 Hz
6. A wave has frequency 33 Hz and wavelength 7 m. Use v = fλ to calculate its wave speed.
λ = 7 m · f = 33 Hz
7. A wave has frequency 8 Hz and wavelength 9 m. Use v = fλ to calculate its wave speed.
λ = 9 m · f = 8 Hz
8. A wave has frequency 9 Hz and wavelength 14 m. Use v = fλ to calculate its wave speed.
λ = 14 m · f = 9 Hz
9. A wave has frequency 23 Hz and wavelength 12 m. Use v = fλ to calculate its wave speed.
λ = 12 m · f = 23 Hz
10. A wave has frequency 28 Hz and wavelength 13 m. Use v = fλ to calculate its wave speed.
λ = 13 m · f = 28 Hz
11. A wave has frequency 30 Hz and wavelength 3 m. Use v = fλ to calculate its wave speed.
λ = 3 m · f = 30 Hz
12. A wave has frequency 6 Hz and wavelength 3 m. Use v = fλ to calculate its wave speed.
λ = 3 m · f = 6 Hz

12 questions · Seed 104733 · 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 24 Hz and wavelength 15 m. Use v = fλ to calculate its wave speed.
360 m/s
Wave speed v = f × λ = 24 × 15 = 360 m/s.
2. A wave has frequency 15 Hz and wavelength 9 m. Use v = fλ to calculate its wave speed.
135 m/s
Wave speed v = f × λ = 15 × 9 = 135 m/s.
3. A wave has frequency 36 Hz and wavelength 14 m. Use v = fλ to calculate its wave speed.
504 m/s
Wave speed v = f × λ = 36 × 14 = 504 m/s.
4. A wave has frequency 40 Hz and wavelength 6 m. Use v = fλ to calculate its wave speed.
240 m/s
Wave speed v = f × λ = 40 × 6 = 240 m/s.
5. A wave has frequency 12 Hz and wavelength 4 m. Use v = fλ to calculate its wave speed.
48 m/s
Wave speed v = f × λ = 12 × 4 = 48 m/s.
6. A wave has frequency 33 Hz and wavelength 7 m. Use v = fλ to calculate its wave speed.
231 m/s
Wave speed v = f × λ = 33 × 7 = 231 m/s.
7. A wave has frequency 8 Hz and wavelength 9 m. Use v = fλ to calculate its wave speed.
72 m/s
Wave speed v = f × λ = 8 × 9 = 72 m/s.
8. A wave has frequency 9 Hz and wavelength 14 m. Use v = fλ to calculate its wave speed.
126 m/s
Wave speed v = f × λ = 9 × 14 = 126 m/s.
9. A wave has frequency 23 Hz and wavelength 12 m. Use v = fλ to calculate its wave speed.
276 m/s
Wave speed v = f × λ = 23 × 12 = 276 m/s.
10. A wave has frequency 28 Hz and wavelength 13 m. Use v = fλ to calculate its wave speed.
364 m/s
Wave speed v = f × λ = 28 × 13 = 364 m/s.
11. A wave has frequency 30 Hz and wavelength 3 m. Use v = fλ to calculate its wave speed.
90 m/s
Wave speed v = f × λ = 30 × 3 = 90 m/s.
12. A wave has frequency 6 Hz and wavelength 3 m. Use v = fλ to calculate its wave speed.
18 m/s
Wave speed v = f × λ = 6 × 3 = 18 m/s.

12 questions · Seed 104733 · 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 24 Hz and wavelength 15 m. Use v = fλ to calculate its wave speed.
λ = 15 m · f = 24 Hz
2. A wave has frequency 15 Hz and wavelength 9 m. Use v = fλ to calculate its wave speed.
λ = 9 m · f = 15 Hz
3. A wave has frequency 36 Hz and wavelength 14 m. Use v = fλ to calculate its wave speed.
λ = 14 m · f = 36 Hz
4. A wave has frequency 40 Hz and wavelength 6 m. Use v = fλ to calculate its wave speed.
λ = 6 m · f = 40 Hz
5. A wave has frequency 12 Hz and wavelength 4 m. Use v = fλ to calculate its wave speed.
λ = 4 m · f = 12 Hz
6. A wave has frequency 33 Hz and wavelength 7 m. Use v = fλ to calculate its wave speed.
λ = 7 m · f = 33 Hz
7. A wave has frequency 8 Hz and wavelength 9 m. Use v = fλ to calculate its wave speed.
λ = 9 m · f = 8 Hz
8. A wave has frequency 9 Hz and wavelength 14 m. Use v = fλ to calculate its wave speed.
λ = 14 m · f = 9 Hz
9. A wave has frequency 23 Hz and wavelength 12 m. Use v = fλ to calculate its wave speed.
λ = 12 m · f = 23 Hz
10. A wave has frequency 28 Hz and wavelength 13 m. Use v = fλ to calculate its wave speed.
λ = 13 m · f = 28 Hz
11. A wave has frequency 30 Hz and wavelength 3 m. Use v = fλ to calculate its wave speed.
λ = 3 m · f = 30 Hz
12. A wave has frequency 6 Hz and wavelength 3 m. Use v = fλ to calculate its wave speed.
λ = 3 m · f = 6 Hz

12 questions · Seed 104733 · 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 24 Hz and wavelength 15 m. Use v = fλ to calculate its wave speed.
360 m/s
Wave speed v = f × λ = 24 × 15 = 360 m/s.
2. A wave has frequency 15 Hz and wavelength 9 m. Use v = fλ to calculate its wave speed.
135 m/s
Wave speed v = f × λ = 15 × 9 = 135 m/s.
3. A wave has frequency 36 Hz and wavelength 14 m. Use v = fλ to calculate its wave speed.
504 m/s
Wave speed v = f × λ = 36 × 14 = 504 m/s.
4. A wave has frequency 40 Hz and wavelength 6 m. Use v = fλ to calculate its wave speed.
240 m/s
Wave speed v = f × λ = 40 × 6 = 240 m/s.
5. A wave has frequency 12 Hz and wavelength 4 m. Use v = fλ to calculate its wave speed.
48 m/s
Wave speed v = f × λ = 12 × 4 = 48 m/s.
6. A wave has frequency 33 Hz and wavelength 7 m. Use v = fλ to calculate its wave speed.
231 m/s
Wave speed v = f × λ = 33 × 7 = 231 m/s.
7. A wave has frequency 8 Hz and wavelength 9 m. Use v = fλ to calculate its wave speed.
72 m/s
Wave speed v = f × λ = 8 × 9 = 72 m/s.
8. A wave has frequency 9 Hz and wavelength 14 m. Use v = fλ to calculate its wave speed.
126 m/s
Wave speed v = f × λ = 9 × 14 = 126 m/s.
9. A wave has frequency 23 Hz and wavelength 12 m. Use v = fλ to calculate its wave speed.
276 m/s
Wave speed v = f × λ = 23 × 12 = 276 m/s.
10. A wave has frequency 28 Hz and wavelength 13 m. Use v = fλ to calculate its wave speed.
364 m/s
Wave speed v = f × λ = 28 × 13 = 364 m/s.
11. A wave has frequency 30 Hz and wavelength 3 m. Use v = fλ to calculate its wave speed.
90 m/s
Wave speed v = f × λ = 30 × 3 = 90 m/s.
12. A wave has frequency 6 Hz and wavelength 3 m. Use v = fλ to calculate its wave speed.
18 m/s
Wave speed v = f × λ = 6 × 3 = 18 m/s.

12 questions · Seed 104733 · Age guidance, not curriculum certification