Class 7 Science MCQs - Chapter 23
Sound Waves Quiz Questions & Answers PDF Download - 15
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The Quiz: Tiny lumps of solid matter grew in kidney are known as; "Sound Waves" App (iOS, Android) with answers: Kidney stone; Kidney larva; Kidney salts; Urea stone; to learn online certification courses. Study Ultrasound MCQ Questions, download Amazon eBook (Free Sample) for online school courses.
Sound Waves Exam Questions and Answers PDF Download: Test 15
Tiny lumps of solid matter grew in kidney are known as
- kidney larva
- kidney stone
- kidney salts
- urea stone
A device for viewing oscillations by a display on the screen of a cathode ray tube is called
- telescope
- microscope
- oscilloscope
- stethoscope
Sound is carried to our ears through
- pressure
- vibrations
- temperature effect
- humidity effect
Light travels
- slow than sound
- fast than sound
- at the same speed as of sound
- at different speed as of sound
One of the three things that affects the sound produced by vibration of string is
- weight of string
- length of string
- distance between two strings
- material of string
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