Class 7 Science MCQs (Grade 7) From Textbook

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Class 7 Science Entrance Exam: Certification Test 1665

Sound Waves and Echoes Notes App & e-Book: MCQ 1665

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MCQ: 1665

Bats produce sounds with

  1. long bursts with low frequency
  2. long bursts with high frequency
  3. short bursts with low frequency
  4. short bursts with high frequency
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Sound Waves and Echoes Textbook Tests: Class 7 Science App & eBook Notes

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