Physics
Match the following:
| Column A | Column B |
|---|---|
| (a) Amplitude | (i) frequency |
| (b) Frequency | (ii) amplitude |
| (c) Loudness | (iii) maximum displacement on either side |
| (d) Pitch | (iv) presence of other frequencies |
| (e) Wave form | (v) 1/Time period |
Related Questions
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.
Write true or false for each statement:
(a) When sound propagates in air, it does not carry energy with it.
(b) In a longitudinal wave, compression and rarefaction are formed.
(c) The distance from one compression to nearest rarefaction is called wavelength.
(d) The frequency is measured in second.
(e) The quality of a sound depends on the amplitude of wave.
(f) The pitch of sound depends on frequency.
(g) Decibel is the unit of pitch of a sound.
How does sound travel in air?
What is a longitudinal wave?