Short answerEasy2 marks
Now the ruler is pushed inside partially and plucked again from its free end. State with a reason whether the frequency of vibration increases or decreases.
Topic: Effect of vibrating length on frequency
Question wording verified against source paper
Answer
Exam answer
The frequency increases.
Explanation
Pushing the ruler further inside shortens the free vibrating length; a shorter vibrating length has a higher natural frequency.
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