Question

Two girls are playing on identical stringed instruments. The strings of the both instruments are adjusted to give notes of same pitch. Will the quality of two notes be same? Justify your answer.

Answer 1

If the two girls are playing with same instruments, then the quality is same. If the girls are playing with different stringed instruments the quality will be different. 

Quality is the characteristic which enables us to distinguish between musical notes emitted by different musical instruments.