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Class 7 Science MCQs (Grade 7) From Textbook

Class 7 Science MCQs – Certification Test 1107

Frequency and Pitch MCQ (Question 1107) – Learning App & e-Book Download

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MCQ 1107: If frequency of sound wave is 100 Hz, it will send:

  1. 1 wave in 100 seconds
  2. 2 waves in 50 seconds
  3. 100 waves in one second
  4. 50 waves in two seconds

Frequency and Pitch MCQ App & e-Book – Class 7 Science Exam Prep

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