Question

why are string instruments provided with a sound box

Answer 1

Musical instruments like guitar areprovided with a hollow box so that when the strings are set into vibration, forced vibrations are produced in box. Since the box has a large area, it sets a large volume of air into vibration which produces a loud sound of same frequency as that of the string.

Answer 2

Answer:

MUSICAL INSTRUMENTS LIKE GUITAR ARE PROVIDED WITH THE HOLLOW BOX SO THAT THE STRINGS ARE SET INTO VIBRATION, FORCED VIBRATION ARE PRODUCED IN THE BOX.

SINCE THE BOX HAS A LARGE AREA IT'S IT'S A LARGE VOLUME Of AIR INTO VIBRATION WHICH PRODUCES A LOUD SOUND OF THE SAME FREQUENCY AS THAT OF THE STRING.

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