Physics
Two sound waves X and Y have the same amplitude and the same wave pattern but their frequencies are 60 Hz and 120 Hz respectively, then
- X will be shriller and Y will be grave
- X will be grave and Y will be shriller
- X will differ in quality than Y
- X is louder than Y
Sound
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Answer
X will be grave and Y will be shriller
Reason — The shrillness of a sound wave is directly proportional to its frequency, meaning that higher frequencies result in shriller sounds and lower frequencies result in grave sound.
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