Physics
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 increased by …………… tension in string.
(c) The pitch of a flute is decreased by …………… length of air column.
(d) Smaller the membrane, …………… is the pitch.
(e) If a drum is beaten hard, its loudness …………… .
(f) A tuning fork produces sound of …………… frequency.
Sound
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Answer
(a) 0.5 hertz
(b) increasing
(c) increasing
(d) higher
(e) increases
(f) single
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