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Which of the following instruments is used to record sound?

Which of the following instruments is used to record sound?

آواز کو ریکارڈ کرنے کے لئے مندرجہ ذیل میں سے کون سا آلات استعمال ہوتا ہے؟
Explanation
  • Phonograph is a device used to record and reproduce sound mechanically.
  • Dictaphone records voice but is mainly for dictation.
  • While an amplifier only increases sound volume.