Quick Test: 4P - Waves and Sound

A Waves do not transfer anything.

B Waves transfer energy and matter from one place to another.

C Waves transfer matter from one place to another, but not energy.

D Waves transfer energy from one place to another, but not matter.

A The maximum displacement is called the amplitude.

B The maximum displacement is called the equilibrium.

C The maximum displacement is called the period.

D The maximum displacement is called the frequency.

A Trough-to-peak

B Peak-to-peak or trough-to-trough.

C Equilibrium point to closest equilibrium point.

D Peak-to-trough.

A Mechanical wave.

B Longitudinal wave.

C Transverse wave.

D Electromagnetic wave.

A A wave spreading out through a gap.

B A wave bouncing off an object.

C A wave changing direction.

D A wave splits into components.

A A wave bouncing off an object.

B A wave spreading out through a gap.

C A wave splits into components.

D A wave changing direction.

A A wave splits into components.

B A wave changing direction.

C A wave bouncing off an object.

D A wave spreading out through a gap.

A When waves add together creating bigger peaks.

B When waves add together creating bigger peaks or smaller peaks.

C When waves add together creating smaller peaks.

D When waves cancel each other out.

A Sound is produced by the vibrations of objects.

B Sound is produced by a stationary object.

C Sound is produced by excitation of electrons.

D Sound is produced by vibrations in a vacuum.

A The frequency of a wave is the distance between the trough and peak of a wave.

B The frequency of a wave is maximum displacement within the wave.

C The frequency of a wave is how long it takes to complete one wave.

D The frequency of a wave is number of waves in a bit of time.

A Frequency is measured in hertz (Hz).

B Frequency is measured in seconds (s).

C Frequency is measured in meters per second (m/s).

D Frequency is measured in meters (m).

A The higher the frequency of sound, the lower the pitch.

B The higher the frequency of sound, the lower the volume.

C The higher the frequency of sound, the higher the volume.

D The higher the frequency of sound, the higher the pitch.

A The shorter the peaks on an oscilloscope the higher the frequency of the signal and therefore the wave.

B The taller the peaks on an oscilloscope the higher the frequency of the signal and therefore the wave.

C The further apart the peaks on an oscilloscope the higher the frequency of the signal and therefore the wave.

D The closer the peaks on an oscilloscope the higher the frequency of the signal and therefore the wave.

A The shorter the peaks on an oscilloscope the higher the amplitude of the signal and therefore wave.

B The further apart the peaks are on an oscilloscope the higher the amplitude of the signal and therefore wave.

C The closer the peaks on an oscilloscope the higher the amplitude of the signal and therefore wave.

D The taller the peaks on an oscilloscope the higher the amplitude of the signal and therefore wave.

A The higher the amplitude of the wave, the less energy in the wave and therefore the louder the sound.

B The higher the amplitude of the wave, the more energy in the wave and therefore the quieter the sound.

C The higher the amplitude of the wave, the more energy in the wave and therefore the louder the sound.

D The higher the amplitude of the wave, the less energy in the wave and therefore the quieter the sound.

A The auditory range of humans is from 20 Hz to 10 kHz.

B The auditory range of humans is from 30 Hz to 10 kHz.

C The auditory range of humans is from 20 Hz to 20 kHz.

D The auditory range of humans is from 30 Hz to 30 kHz.

A Sound frequencies that can only be heard by bats are called ultrasound.

B Sound frequencies within the hearing range of humans are called ultrasound.

C Sound frequencies below the hearing range of humans are called ultrasound.

D Sound frequencies above the hearing range of humans are called ultrasound.

A Ultrasound can be used to pass energy though anything and therefore be used for pregnancy scans.

B Ultrasound can be used to collect energy and therefore be used for cleaning and physiotherapy.

C Ultrasound can be used to pass on energy and therefore be used for cleaning and physiotherapy.

D Ultrasound can be used to collect energy and therefore be used for pregnancy scans.

A Sound waves are mechanical waves.

B Sound waves are transverse waves.

C Sound waves are longitudinal waves.

D Sound waves are electromagnetic waves.

A Sound needs a medium so that it is not too small.

B Sound needs a medium of particles to travel, as the energy in sound waves is passed on by the collision of particles.

C Sound needs a medium of particles to travel, as the energy in sound waves is passed on by the rubbing of particles.

D Sound needs a medium so that it not too large.

A Sound travels slowest in liquids.

B Sound travels fastest in solids.

C Sound travels fastest in gases.

D Sound travels fastest in liquids.

A Sound travels fastest in solids as the particles are closest together and so the collisions are passed on slower.

B Sound travels fastest in solids as the particles are closest together and so the collisions are passed on faster.

C Sound travels fastest in gases as the particles are closest together and so the collisions are passed on faster.

D Sound travels fastest in gases as the particles are closest together and so the collisions are passed on slower.

A The sound energy is attracted by the ear drum.

B The sound energy is destroyed by the ear drum.

C The sound energy is absorbed by the ear drum.

D The sound energy is created by the ear drum.

A Echoes are the refraction of a sound wave with a long time delay.

B Echoes are the refraction of a sound wave with a short time delay.

C Echoes are the reflection of a sound wave with a long time delay.

D Echoes are the reflection of a sound wave with a short time delay.

A time = speed / distance

B time = distance x speed

C speed = distance / time

D speed = distance x time