CBSEMOCK | PHYSICS STUDIO
Realistic interactive virtual laboratory · CBSE Physics
EXPERIMENT 34 / 40
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Sound Wave Laboratory

Explore the relationship between frequency, wavelength, amplitude and wave speed.
v = fλ
Experiment controls 34
v = fλ
Simulation power / activity
Observation: Adjust a variable and examine the model response.
Experimental workbench ● ACTIVE
Sound Wave LaboratoryWave apparatus · amplitude and frequency display
LIVE MODEL VALUE—Calculated response
CONTROL SUMMARY—Current settings
LIVE RESPONSE PROFILEModel view
Live analysis 03
Governing relationship
v = fλ

Guided procedure

  1. Identify the apparatus and the variables.
  2. Start with the default settings and note the readings.
  3. Change one variable at a time.
  4. Record observations and compare the trend.
  5. Explain the result using the governing relationship.
Challenge

At constant wave speed, what happens to wavelength when frequency doubles?

Observation notebook 0 readings recorded
TrialSettingsModel response
No observations recorded yet.
Guided experiment · progress tracker
0 / 5 completed
Change one variable at a time. Compare readings while keeping other conditions constant.
Practical method · drag or tap matching
Control variable
Kept unchanged for a fair comparison
Measured quantity
Value read from an instrument or model
Observation record
A written record of what happened
Knowledge check

Why should only one independent variable be changed at a time?

Practical notebook · export notes

Physics V4 · Sound Wave Laboratory — Investigation & Assessment Studio

Sound and waves · Experiment-specific investigation, evidence log, graph analysis and teacher review.

1 · Investigation mission

Objective: Investigate frequency, wavelength and wave speed.

Prediction question
At constant wave speed, increasing frequency makes wavelength…
Choose an answer and submit your prediction.
Scientific principle
Sound needs a medium; distinguish frequency, amplitude and wavelength.

2 · Fault-finding challenge

A student performs this experiment but obtains an unexpected result. Identify the most likely issue.

Since v = fλ, wavelength decreases when frequency increases at fixed speed.
Diagnose the experimental setup.

3 · Observation notebook & graph

Use the original simulation controls to perform a trial, then enter the observed values. This table records student-entered observations; it does not claim to read every legacy simulation's internal sensors.

Record at least two observations to analyse the trend.
TrialFrequency (Hz)Wavelength (m)

4 · Practical reflection & report

Your report includes the objective, entered observations, analysis and reflection.

5 · Teacher assessment rubric

Conceptual prediction0 / 20
Fault diagnosis0 / 20
Observation quality (2+ readings)0 / 20
Graph / trend analysis0 / 20
Inference and conclusion0 / 20
Assessment score: 0 / 100

6 · Guided experimental procedure

Follow the sequence below and use the original experiment controls above to change one variable at a time.

  1. Read the objective and identify the independent and dependent variables.
  2. Inspect the apparatus and reset the simulation to its initial state.
  3. Change only the independent variable while keeping other conditions controlled.
  4. Record at least three observations in the notebook.
  5. Plot the dependent variable against the independent variable and describe the trend.
  6. Answer the prediction and fault-finding questions, then write an evidence-based conclusion.
Experimental discipline
Use consistent units, avoid changing multiple variables at once, and distinguish measured observations from theoretical predictions.
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