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प्रश्न
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 ______.
विकल्प
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
उत्तर
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 grave and Y will be shriller.
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