Sound Waves and Echoes MCQ App – Class 7 Science e-Book PDF

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The Sound waves and echoes Multiple Choice Questions (MCQ Quiz) with Answers PDF (Sound Waves and Echoes MCQ PDF e-Book) download to learn Class 7 Science Tests. Study Sound Waves Multiple Choice Questions and Answers (MCQs), Sound Waves and Echoes quiz answers PDF to learn online classes courses. The Sound Waves and Echoes MCQ App Download – Free Class 7 Science App to learn sound absorption, all around sounds, speed of sound test prep for online education programs.

The MCQ: As compare to humans, bats can hear sounds only with; "Sound Waves and Echoes MCQ" App Download [Free] with answers: low frequency, low pitch, low amplitude, and high pitch to learn online classes courses. Solve Sound Waves Quiz Questions, download Apple Book (Free Chapter) for elementary school graduation certificate.

Sound Waves and Echoes MCQs PDF Download – Prep Test

MCQ 1: As compare to humans, bats can hear sounds only with:

  1. low frequency
  2. low pitch
  3. low amplitude
  4. high pitch

MCQ 2: The use of echo to measure distance is known as:

  1. echo destination
  2. echolocation
  3. echo displacement
  4. echo dictation

MCQ 3: Some fishing boats use echo to:

  1. calculate the depth of water
  2. detect any predator
  3. detect shoal of fish
  4. eggs of fish

MCQ 4: Ships send a small:

  1. pulse to the sea bed
  2. vibration to the tower
  3. piece of food to fish
  4. beam of sound to check the depth

MCQ 5: The longer, the echo takes, the:

  1. shallower the water
  2. the deeper the water
  3. the denser the water
  4. the warmer the water

Class 7 Science MCQs App & e-Book – Sound Waves and Echoes Practice Tests

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