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Grade 11 Wave Speed, Frequency & Wavelength Worksheet with Answers

Grade 11 (US) · Year 12 (UK) · Class 11 (India) · Science

Unit 3: Waves & ElectricityWavesNGSS HS-PS4-1

Using v = f × λ to find wave speed, frequency and wavelength. This free high school worksheet has 16 questions and a full answer key. Print it or save it as a PDF — every answer is checked by code, not guessed.

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Wave Speed, Frequency & Wavelength

Grade 11 · Science

Score___ / 16

Name

Class

Date

Learning goal: Waves · NGSS HS-PS4-1

Directions: This worksheet has 2 parts. Read the instructions at the start of each part.

Example

A wave has a frequency of 22 Hz and a wavelength of 19 m. What is its speed? (v = fλ)

Answer: 418 m/s

Part A

Label the diagram. Use the words in the box.

Word bank

amplitudewavelengthcresttrough
1234
  1. 1
  2. 2
  3. 3
  4. 4
Part B

Answer each question. Use full sentences where you can.

  1. 5

    A wave has a frequency of 5 Hz and a wavelength of 8 m. What is its speed? (v = fλ)

    λ = 8 mf = 5 Hzv = ?v = f × λ
  2. 6

    A wave has a frequency of 25 Hz and a wavelength of 7 m. What is its speed? (v = fλ)

    λ = 7 mf = 25 Hzv = ?v = f × λ
  3. 7

    A wave travels at 38 m/s with a wavelength of 2 m. What is its frequency?

    λ = 2 mf = ?v = 38 m/sv = f × λ
  4. 8

    A wave travels at 207 m/s with a wavelength of 9 m. What is its frequency?

    λ = 9 mf = ?v = 207 m/sv = f × λ
  5. 9

    A wave travels at 846 m/s with a frequency of 47 Hz. What is its wavelength?

    λ = ?f = 47 Hzv = 846 m/sv = f × λ
  6. 10

    A wave travels at 204 m/s with a wavelength of 17 m. What is its frequency?

    λ = 17 mf = ?v = 204 m/sv = f × λ
  7. 11

    A wave travels at 315 m/s with a wavelength of 7 m. What is its frequency?

    λ = 7 mf = ?v = 315 m/sv = f × λ
  8. 12

    A wave travels at 270 m/s with a wavelength of 9 m. What is its frequency?

    λ = 9 mf = ?v = 270 m/sv = f × λ
  9. 13

    A wave has a frequency of 8 Hz and a wavelength of 3 m. What is its speed? (v = fλ)

    λ = 3 mf = 8 Hzv = ?v = f × λ
  10. 14

    A wave has a frequency of 4 Hz and a wavelength of 20 m. What is its speed? (v = fλ)

    λ = 20 mf = 4 Hzv = ?v = f × λ
  11. 15

    A wave travels at 370 m/s with a frequency of 37 Hz. What is its wavelength?

    λ = ?f = 37 Hzv = 370 m/sv = f × λ
  12. 16

    A wave travels at 72 m/s with a wavelength of 8 m. What is its frequency?

    λ = 8 mf = ?v = 72 m/sv = f × λ

★ Challenge corner for fast finishers

If Earth stopped spinning, how long would one day (sunrise to sunrise) be?

How did I do?

Teacher's comments

Free printable worksheets with answer keys · aethelsystems.com/worksheets/science/11/wave_equation

Answer key (click to show)
  1. 1.crest
  2. 2.trough
  3. 3.wavelength
  4. 4.amplitude
  5. 5.40 m/s
  6. 6.175 m/s
  7. 7.19 Hz
  8. 8.23 Hz
  9. 9.18 m
  10. 10.12 Hz
  11. 11.45 Hz
  12. 12.30 Hz
  13. 13.24 m/s
  14. 14.80 m/s
  15. 15.10 m
  16. 16.9 Hz
  17. ★about one year (challenge corner)

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