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.
Related Questions
Two waves of the same pitch have amplitudes in the ratio 1:3. What will be the ratio of their:
(i) loudness
(ii) pitch?
Two waves have frequencies 256 Hz and 512 Hz, but same amplitude. Compare their:
(i) loudness, and
(ii) pitch.
Two waves have the same pitch but their amplitudes are in the ratio of 1 : 2. Draw a figure to show the two waves.
Two waves of the same amplitude have frequencies 256 Hz and 512 Hz respectively. Represent the two waves in the graphical form.