WorksheetsSound and Waves
Total questions: 15
Worksheet time: 15mins
The ____________________ is the number of vibrations that occur in a 1-second time interval.
amplitude
frequency
period
A wave that causes the particles of the medium to vibrate perpendicularly to the direction the wave travels is called a(n) ____________________.
transverse wave
longitudinal wave
circular wave
heat wave
A sound wave that is 0.66 meters long and has a frequency of 520 Hz moves with a speed of ___________. (speed = frequency x wavelength )
250 m/s
434 m/s
343 m/s
460 m/s
A sound wave that is 1.2 meters long and has a frequency of 284 Hz moves with a speed of ___________. (v = f λ )
343 m/s
434 m/s
520 m/s
280 m/s
Sound travels fastest in
solids
liquids
gases
According to the Doppler effect, the dot is
moving to the left.
moving to the right.
not moving.
The area where the waves are closer together represents
higher frequency
lower frequency
the same frequency
Resonance refers to an effect in which the
vibration of one object causes another object to vibrate at natural frequencies.
intensity of a sound decreases over time
pitch of a note is compared to a pure tone.
Sound waves are produced by
radio stations.
vibrating objects.
soft objects.
objects under pressure.
Sound waves cannot travel in
steel.
air.
a vacuum.
water.
The speed of a sound wave depends on
the air temperature.
its frequency.
its wavelength.
its amplitude
The source of all wave motion is a
region of variable high and low pressure.
vibration.
movement of matter.
harmonic object.
What is the speed of a sound wave with a frequency of 256 Hz and a wavelength of 1.35 meters? (Use the formula: speed = frequency x wavelength)
A) 345.6 m/s
B) 345 m/s
C) 346 m/s
D) 344 m/s
Which of the following best describes the Doppler Effect?
A) A change in wave frequency due to the motion of the source or observer
B) The bending of waves around obstacles
C) The superposition of two or more waves
D) The reflection of sound waves
In an experiment, a tuning fork is struck and placed near the opening of a tube partially submerged in water. As the water level is adjusted, a loud sound is heard at certain points. What phenomenon is being demonstrated?
A) Echo
B) Resonance
C) Diffraction
D) Refraction
