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HEC ETC - USAT CS Entry Test - Physics - Waves - Quiz 2

Practice 10 high yield MCQs on Physics from Chapter Waves for USAT CS Entry Test. After submission, get instant results with correct answers and detailed explanations. This is Quiz 2 of the series.

11. What happens to the observed frequency when a source approaches an observer?



12. What is a practical application of the Doppler effect?



13. What is a node in a standing wave?



14. What is an antinode in a standing wave?



15. What is the distance between two consecutive nodes in a standing wave?



16. What is the frequency of the fundamental mode in a string fixed at both ends?



17. Why can resonance be dangerous?



18. What is the condition for first resonance in a resonance tube?



19. What happens when a tuning fork is placed near another tuning fork of the same frequency?



20. An open pipe resonates at fundamental frequency 343 Hz. What is its length? (Take v=343 m/s)



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Instructions: Select one answer per question. After submitting, you will see your score, correct answers, and explanations.

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