foundation GCSE and iGCSE waves
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| show | are at right angles to the direction of travel of the wave.
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| You find crests and troughs in a | show 🗑
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| show | are parallel to the direction of travel of the wave.
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| show | longitudinal wave.
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| One noisy example of a longitudinal wave is | show 🗑
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| One wet example of a transverse wave is | show 🗑
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| show | the number of vibrations (or waves) per second.
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| The unit of frequency is | show 🗑
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| Speed is defined as | show 🗑
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| show | metres per second or cm/s
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| show | crest.
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| The symbol for wavelength is the Greek letter called | show 🗑
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| The wave equation is velocity (or speed) = | show 🗑
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| show | velocity (or speed) divided by wavelength.
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| show | speed times time = 1500 metres.
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| If a water wave has a frequency of 6 Hz, and a wavelength of 2 cm, its speed is | show 🗑
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| If a sound wave in water travels at 1000 m/s and its frequency is 2000 Hz then its wavelength is | show 🗑
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| show | 20 Hz
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| Highest frequency for normal human hearing = | show 🗑
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| show | ultrasound
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| show | infrasound
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| show | supersonic.
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| show | sound reflection.
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| Sonar is a system that uses sound reflections to measure | show 🗑
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| If sound in seawater travels at 1000 m/s and a pulse takes 5 seconds to return from the sea bottom the depth is | show 🗑
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| show | wavelength.
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| show | concave.
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| Refraction is change of direction because of | show 🗑
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| show | diffraction.
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| If the gap is wide compared with wavelength then the amount of diffraction is | show 🗑
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| show | wavelength of sound is much larger than wavelength of light.
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| We ignore the time for the light to travel compared with the sound because | show 🗑
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| You can't hear sound on the Moon because | show 🗑
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| Does a water wave travel more slowly or faster in more shallow water? | show 🗑
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| What causes a wave? | show 🗑
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