Class 10 Physics MCQs - Chapter 9
Sound Multiple Choice Questions (MCQ) PDF Download - 10
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The Sound Multiple Choice Questions (MCQ Quiz) with Answers PDF (Sound MCQ PDF e-Book) download Ch. 9-10 to learn Grade 10 Physics Course. Study Speed of Sound Multiple Choice Questions and Answers (MCQs) PDF, Sound Quiz Questions and Answers to learn e-learning courses. The Sound MCQ App Download: Free educational app for speed of sound, characteristics of sound, audible range of human ear, echo of sound test prep for taking online classes.
The MCQs: The time a sound wave having frequency 2 KHz and wavelength 35 cm requires to cover the distance of 1.5 Km is; "Sound" App (Android, iOS) with answers: 10 s; 2.1 s; 20 s; 8 s; to learn e-learning courses. Practice Speed of Sound MCQ Questions, download Apple e-Book (Free Sample) for online learning.
Sound MCQs with Answers PDF Download: Quiz 10
The time a sound wave having frequency 2 KHz and wavelength 35 cm requires to cover the distance of 1.5 Km is
- 2.1 s
- 10 s
- 20 s
- 8 s
Sound energy passing per second through a unit area held perpendicular to the direction of propagation of sound waves is called
- loudness of sound
- pitch of sound
- quality of sound
- intensity of sound
The characteristic of sound by which loud and faint sounds can be distinguished is known as
- loudness
- pitch
- quality
- intensity
When the frequency of sound increases, the wavelength and period
- becomes negative
- remains constant
- also increases
- decreases
For hearing distinct echoes, the minimum distance of the obstacle from the source of sound must be
- double to this distance
- equal to this distance
- half of this distance
- one third to this distance
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