Sound Wave and Speed Multiple Choice Questions (MCQ) PDF Download

MCQ 1: The speed of sound varies with

1. humidity only
2. temperature only
3. pressure
4. humidity and temperature

MCQ 2: To find the speed of sound, we use the relation

1. v = fλ
2. f = vλ
3. lambda = fv
4. v = f + lambda;

MCQ 3: Sound waves can be transmitted by any

1. medium
2. vacuum
3. empty
4. none of above

MCQ 4: If the speed of sound in air is 330 ms^-1 and the wavelength is 10 cm. The frequency of sound should be

1. 3.9×10³ Hz
2. 4.7×10³ Hz
3. 3.3×10³ Hz
4. 5.3×10³ Hz

MCQ 5: As compared to air, the speed of sound in liquids and solids is

1. lower
2. faster
3. equal
4. zero