Learn sound MCQs, grade 10 physics test 10 for online learning courses and test prep, speed of sound multiple choice questions and answers. Speed of sound revision test includes physics worksheets to learn for online physics terms courses distance learning.

Physics multiple choice questions (MCQ): time a sound wave having frequency 2 khz and wavelength 35 cm requires to cover distance of 1.5 km is with options 10 s, 2.1 s, 20 s and 8 s, speed of sound quiz for online distance school education with interactive student portal for examination preparation. Free physics study guide to learn speed of sound quiz to attempt multiple choice questions based test.

MCQ: Time a sound wave having frequency 2 KHz and wavelength 35 cm requires to cover distance of 1.5 Km is

1. 2.1 s
2. 10 s
3. 20 s
4. 8 s

A

MCQ: Sound energy passing per second through a unit area held perpendicular to direction of propagation of sound waves is called

1. loudness of sound
2. pitch of sound
3. quality of sound
4. intensity of sound

D

MCQ: Characteristic of sound by which loud and faint sounds can be distinguished is known as

1. loudness
2. pitch
3. quality
4. intensity

A

MCQ: When frequency of sound increases, wavelength and period

1. becomes negative
2. remains constant
3. also increases
4. decreases

D

MCQ: For hearing distinct echoes, minimum distance of obstacle from source of sound must be

1. double to this distance
2. equal to this distance
3. half of this distance
4. one third to this distance

C