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सी.आई.एस.सी.ई.आईसीएसई ICSE Class 8

Two waves have frequencies 256 Hz and 512 Hz, but same amplitude. Compare their (i) loudness, and (ii) pitch - Physics

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प्रश्न

Two waves have frequencies 256 Hz and 512 Hz, but same amplitude. Compare their (i) loudness, and (ii) pitch

संख्यात्मक

उत्तर

(i) Loudness
∴ Amplitude of two waves is the same
∴ their loudness is the same i.e. in 1:1


(ii) Pitch
Ratio of frequencies
256 Hz: 512 Hz
∴ Ratio of their pitch = 1:2

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अध्याय 7: Sound - Numericals [पृष्ठ १३७]

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सेलिना Concise Physics [English] Class 8 ICSE
अध्याय 7 Sound
Numericals | Q 2 | पृष्ठ १३७
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