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Waves Exam

Grade 8 Physics · Ahmad Ghozlan · 25 minutes

Step 1 — Select your section

Step 2 — Find your name

ℹ Exam Rules (tap to read)

You have exactly 25 minutes — auto-submits at zero.
Each student receives a unique version with different numbers.
No answers or hints are shown during the exam.
Work independently — use your notebook for calculations.
Submit once — you cannot go back.

Part A

Read the Wave Diagram

6 pts

Questions 1 & 2

The wave is drawn on a grid. Study the diagram carefully and read the values directly.

Q1 — Amplitude A

Q2 — Wavelength λ

Part B

Wave Types

4 pts

Question 3

Question 4 · True or False

Part C

Units

5 pts

Question 5 · Choose the correct unit for each quantity

Part D

Calculations

12 pts

Question 6 · Single calculation

Answer

Question 7 · Two steps

Step 1

Step 2

Question 8 · Two steps

Step 1

Step 2

Part E

Graph Interpretation

4 pts

Questions 9 & 10

Two waves X and Y travel through the same medium. Study the graph carefully.

Wave X (teal) · Wave Y (orange) · same medium → same speed

Question 9

Which wave has the greater wavelength?

Question 10

Which wave has the higher frequency and why?

Part F

Conceptual

4 pts

Question 11

Question 12 · True or False

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