For reproducing sound, a CD (Compact Disc) audio player uses a : (a) quartz crystal (b) titanium needle

Question

For reproducing sound, a CD (Compact Disc) audio player uses a : (a) quartz crystal (b) titanium needle

For reproducing sound, a CD (Compact Disc) audio player uses a :

(a) quartz crystal

(b) titanium needle

(c) laser beam

(d) barium titanate ceramic

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

(c) In compact disc digital data is scanned by laser beam for the reproduction of recorded sound.

4 views Answered 2023-02-05 15:29