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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| show | transverse wave
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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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| show | sound.
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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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| show | Hertz (Hz)
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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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| show | lambda (= lower case L)
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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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| Take speed of sound = 300 m/s. If it is 5 seconds between seeing lightning and hearing thunder, then the distance away is | show 🗑
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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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| Lowest frequency for normal human hearing = | show 🗑
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| show | 20 000 Hz = 20 kiloHertz
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| Sound with frequency greater than 20 kHz is called | show 🗑
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| Sound with frequency lower than 20 Hz is called | show 🗑
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| show | supersonic.
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| Echo is a word for | show 🗑
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| show | distance.
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| show | 2500 m (remember it goes there and back)
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| show | wavelength.
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| Dish shaped (inside of dish!) reflectors are called | show 🗑
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| Refraction is change of direction because of | show 🗑
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| Name for wave spreading out as it goes through gap is | show 🗑
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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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| show | there is no air on the Moon.
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| Does a water wave travel more slowly or faster in more shallow water? | show 🗑
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| show | vibrations
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Created by:
waslancing
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