KCSE Sound — practice questions
25 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice KCSE Sound in the app →How is sound defined?What is meant by a disturbance in the description of a wave?On what two properties of a medium does the speed of sound depend?How does making a medium more rigid affect the speed of sound in it?How does increasing the density of a medium affect the speed of sound?Why is the speed of sound in air relatively low?How does the speed of sound in solids and liquids compare with that in gases?What does the loudness of a sound depend on?Which quantity is used to describe the loudness of sounds?An ambulance siren passes you at speed. What happens to the pitch you hear?What happens to the Doppler shift as the moving source travels faster?A source of sound moves forward. What happens to the wavelength ahead of it?An observer moves towards a stationary bell. What do they hear?An observer moves away from a stationary source of sound. What do they receive?What is damping?What is the natural frequency of a system?What is resonance?You drive an oscillating object far above its natural frequency. What happens to the amplitude?Why can sound not travel across a vacuum?A vibrating guitar string makes a sound. What does it do to the surrounding air?A sound is described as periodic. What does that say about the particles of the medium?Sound reaches you faster through a steel rail than through the air. Why?Why does the speed of sound in a gas change with temperature?A singer's note makes a piano string sound without touching it. What is happening?Two identical sirens sound, one on a parked car and one on a car speeding towards you. What differs?