Class 10 Physics MCQs - Chapter 9

Sound Quiz Questions & Answers PDF Download - 3

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The Sound Quiz Questions and Answers PDF (Sound Quiz PDF e-Book) download Ch. 9-3 to learn Grade 10 Physics Course. Solve Reflection (Echo) MCQs PDF, Sound Quiz Questions and Answers to learn distance learning courses. The Sound Quiz App Download: Grade 10 Physics Learning App [Free] for reflection (echo), ultrasound, audible range of human ear, physics: sound waves, characteristics of sound test prep for free online classes.

The Quiz: Echoes maybe heard more than once due to; "Sound" App (iOS, Android) with answers: single time reflection, multiple reflections, refraction, and diffraction of waves to learn distance learning courses. Study Reflection (Echo) MCQ Questions, download Amazon eBook (Free Sample) for online school classes.

Sound Exam Questions and Answers PDF Download: Test 3

MCQ: 11

Echoes maybe heard more than once due to

multiple reflections
single time reflection
refraction
diffraction of waves

MCQ: 12

SONAR is the abbreviation of

small navigation and random
sky navigation and ranging
sun nuclear ranging
sound navigation and ranging

MCQ: 13

Old people can not hear sounds even above

5,000 Hz
15,000 Hz
10,000 Hz
8,000 Hz

MCQ: 14

Sound waves are

Longitudinal
Transverse
Electromagnetic
Only magnetic

MCQ: 15

The intensity level of the rustling of leaves is

25 dB
0 dB
10 dB
100 dB

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