Fundamental frequency of an open pipe is . Fundamental frequency when it is half filled with water is
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Official Solution
Correct Option:
(1)
Step 1: Open Pipe
Frequency of open pipe . Step 2: Half Filled Pipe
If half submerged, it becomes a closed organ pipe of length . Step 3: Frequency Calculation
$ $ Step 4: Conclusion
The frequency remains unchanged. Final Answer: (A)
02
PYQ 2014
medium
physicsID: met-2014
Open organ pipe becomes closed. Find harmonic relation.
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Official Solution
Correct Option:
(4)
Concept:
Open pipe:
Closed pipe:
Step 1: Frequency increases
Step 2: Match
03
PYQ 2014
medium
physicsID: met-2014
A massless rod is suspended by two identical strings. A mass is hung at distance from left. Fundamental frequency in AB equals 2nd harmonic in CD. Find .
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4
Official Solution
Correct Option:
(1)
Concept:
Frequency of stretched string:
Step 1: Let tensions
Taking moments about left:
Step 2: Frequency relation
Given:
Step 3: Substitute Conclusion:
04
PYQ 2014
medium
physicsID: met-2014
Two particles execute SHM with same amplitude and frequency. When displacement is half amplitude, find phase difference.
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Official Solution
Correct Option:
(4)
Concept: Step 1: Given displacement
Step 2: Opposite directions
Particles have same displacement but opposite velocities. Conclusion:
About Waves And Oscillations - MET
Waves And Oscillations is a vital chapter for MET aspirants. Mastering the concepts covered in this chapter is essential for securing a top rank.
By rigorously practicing the previous year questions associated with this chapter, you can identify high-yield topics, understand the examiner's perspective, and boost your confidence during the actual exam.
Frequently Asked Questions
Why focus on Waves And Oscillations PYQs?
Analyzing PYQs for this specific chapter reveals the most frequently tested concepts and the typical complexity of questions, allowing you to tailor your study plan efficiently.
How to best use this analysis?
Review the topic breakdown to see which sub-topics within Waves And Oscillations carry the most weight. Then, tackle the questions iteratively to solidify your understanding.
