Learn sound MCQs, grade 10 online physics test 19, sound waves in physics multiple choice questions and answers. Sound waves in physics revision test has physics worksheets, helping answer key with choices as 3.33 s, 4.2 s, 3.9 s and 4.65 s of multiple choice questions (MCQ) with sound waves in physics quiz as a sound wave has a frequency of 3 khz and wavelength 20 cm. how much will it take to travel 2 km? for competitive exam prep, viva interview questions. Free physics study guide to practice sound waves in physics quiz to attempt multiple choice questions based test.

MCQ. A sound wave has a frequency of 3 kHz and wavelength 20 cm. How much will it take to travel 2 km?

1. 4.2 s
2. 3.33 s
3. 3.9 s
4. 4.65 s

B

MCQ. A human hear can not hear a sound of frequency more than

1. 10,000 Hz
2. 20,000 Hz
3. 5,000 Hz
4. 15,000 Hz

D

MCQ. A marine survey ship sends a sound wave to the seabed which receives an echo after 2.5 s. The speed of sound in seawater is 1200 ms-1. The depth of the sea is

1. 1200 m
2. 1500 m
3. 750 m
4. 1000 m

B

MCQ. A higher pitch means the

1. zero frequency
2. lower frequency
3. higher frequency
4. lower loudness

C

MCQ. The echo of sound is more prominent if the surface is

1. soft
2. rigid
3. porous
4. smooth

B