Question

Fill in the blanks :

(a) The time period of a wave is 2 s. Its frequency is ___.

(b) The pitch of a stringed instrument is increases by ___ tension in string.

(c) The pitch of a flute is decreased by ___ length of air column.

(d) Smaller the emebrene, ___ is the pitch.

(e) If a drum is beaten hard, its loudness ___ .

(f) A tuning fork produces sound of ___ frequency.

Answer 1

(a) The time period of a wave is 2 s. Its frequency is 0.5 S^-1.
(b) The pitch of a stringed instrument is increased by increasing tension in string.
(c) The pitch of a flute is decreased by increasing length of air column.
(d) Smaller the membrane, higher is the pitch.
(e) If a drum is beaten hard, its loudness increases.
(f) A tuning fork produces sound of single frequency.