Which one is used to make recording tape?
(a) Polystyrene
(b) Polypropylene
(c) Terylene
(d) Polyester
Answers
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- Cassette tapes are made of a polyester-type plastic film with a magnetic coating.
Magnetic tape is a medium for magnetic recording, made of a thin, magnetizable coating on a long, narrow strip of plastic film. It was developed in Germany in 1928, based on magnetic wire recording.
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Answer:
Polyester films are used for making magnetic recording tapes in audio cassettes.
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