Class 7 Science MCQs - Chapter 23
Sound Waves Multiple Choice Questions (MCQs) PDF Download - 25
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The Sound waves Multiple Choice Questions (MCQs) with Answers PDF (sound waves MCQs PDF e-Book) download Ch. 23-25 to study Grade 7 Science Course. Learn Sound Waves Quiz Questions and Answers to learn online courses. The Sound Waves MCQs App Download: Free learning app for frequency and pitch, sound waves and echoes, all around sounds test prep for distance learning.
The MCQ: The sound of a whistle is; "Sound Waves" App Download (Free) with answers: High pitched; Low pitched; Low pitched with short wavelengths; High pitched with long wavelengths; to learn online courses. Solve Frequency and Pitch MCQ Questions, download Google eBook (Free Sample) for online degree programs.
Sound Waves MCQs with Answers PDF Download: Quiz 25
The sound of a whistle is
- low pitched
- high pitched
- low pitched with short wavelengths
- high pitched with long wavelengths
The depth of the sea or ocean is calculated by a
- machine
- microchip
- special fish
- special detector
Bats produce sounds with
- long bursts with low frequency
- long bursts with high frequency
- short bursts with low frequency
- short bursts with high frequency
A reflected sound is known as
- reflection of sound
- rarefaction
- refraction of sound
- echo
Rapid backward and forward movements are known as
- disturbance
- noise
- vibration
- sound
Class 7 Science Mock Tests
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