Flashcards
Physics flash cards- waves
Cards in this deck (7)
- 11- the ear changes what energy to what energy? 2-as you get older, small ear bones can get joined together, which results in what? 3- what's the treatment for an infection in the middle ear? 4- how could wax in the ear effect somebody's hearing? 5- what's an oscilloscope? 6- what's a stethoscope? 7- what does a hearing aid do?1-sound, electrical
2-loss of hearing
3-a course of antibiotics
4- it prevents the vibrations from reaching the eardrum
5- a machine which shows sound waves on a screen
6- an instrument used for listening to sounds in the body
7- helps people to hear - 21- what do all waves transfer, without transferring what? 2- name the two types of wave 3- in transverse waves, the vibrations are at right angles to the direction of what? 4- all electromagnetic waves are what? 5- in longitudinal waves, the vibrations are in the _____ as the energy transfer 6- all sound waves are ______ waves.1- energy, particles
2-transverse, longitudinol
3- energy transfer
4- transverse waves
5-same direction
6- longitudinol - 31- what is the wave equation for transverse and longitudinal waves? (wavelength. wave speed, frequency) 2- a short wavelength on the screen corresponds with a _____ frequency of vibration and high _____. 3- the _____ of a wave is the number of vibrations each second. 4- The unit for frequency is what? 5- If you listen to a sound w a frequency of 100Hz, how many waves reach your ear each seconds?1- wave speed = frequency x wavelength) (m/s) (Hz) (m)
2- high, pitch
3- frequency
4- Hz
5-100 - 41- High pitched sounds have a______. 2- and low pitched sounds have a ______. 3- half of the height of the wave is called the what? 4- what depends on the amplitude of a wave? 5- louder sounds have ____ vibrations, and a_______ amplitude and more energy. 6- when things vibrate they make ______ 7- sound waves are ____ that travel through the air 8- you can't see sound waves, but you can make a picture of them on an _____.1- high frequency
2-low frequency
3- amplitude
4- the loudness of a sound
5-larger, bigger
6- soundwaves
7- disturbances
8- oscilloscope - 5RECAP 1- waves are what? 2- the size of the disturbances is called their amplitude and this effects the ___ of a sound. 3- the number of disturbances each second is the frequency, which effects the ____ of the sound. 4- what do we measure frequency in? 5- what do we measure wavelength in?1- disturbances
2- loudness
3- pitch
4- Hz
5- m? - 61- the range of human hearing is between _____Hz and ____Hz 2- the wavelength of a wave is the distance between two successive ______ or _____. 3- a short wavelength corresponds to a ____ frequency. 4- waves change their speed and wavelength when they go into different materials, this is called what?1- 20- 20,000
2- crests or troughs (peaks or trenches)
3- high frequency
4- refraction - 7—
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- Year 9 End of year Exams <3 Flashcards on Physics flash cards- waves , created by Rosie Winder on 31/05/2017.
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- Rosie Winder
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