Make the idea your own
- 1Enable sound if you want to hear the demonstration.
- 2Keep amplitude fixed and compare two frequencies.
- 3Keep frequency fixed and change amplitude; inspect the speaker motion.
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Class 8 · Physics
Sound studio
Interactive explanation Gamified quiz, feedback & rewards
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By the end, you can…
- Explain Higher frequency → higher pitch · amplitude affects loudness
- Change one input at a time and predict its effect before checking the model.
- Apply the relationship in a quiz and explain the reasoning behind your answer.
Useful preparation: Units, measurement and proportional reasoning.
This topic has a suggested learning level. A matching chapter in the current NCERT edition has not been verified, so it is not labelled as syllabus coverage.
Hands-on explainer · Class 8
Sound studio
Class 8
CLASS 8 · CONCEPT QUEST
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Discover the rule, predict what happens, then solve a hands-on mission.
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The relationshipHigher frequency → higher pitch · amplitude affects loudness
Explain the experiment
When the goal is met: The tone has 600 cycles per second. Frequency sets the repetition rate; amplitude changes signal strength. The visible vibration is slowed down.