Physics
(a) Name one factor on which the frequency of sound emitted due to vibration in an air column depends.
(b) How does the frequency depend on the factor stated in part (a)?
Related Questions
The sound box of a musical instrument is so constructed that the air column inside it has a natural frequency …………… that of the string stretched in it.
- greater than
- smaller than
- equal to
- cannot say
Column X shows the kind of vibrations and column Y shows their examples.
X Y (A) Natural vibrations (1) A tuning fork when stroked on a rubber pad. (B) Damped vibrations (2) When a guitarist plucks or strums the guitar strings with his/her fingers. (C) Forced vibrations (3) When a troop crosses a suspension bridge. (D) Resonant vibrations (4) A load suspended from a spring. Choose the correct pairing:
(a) A—(4) B—(2) C—(3) D—(1)
(b) A—(4) B—(1) C—(2) D—(3)
(C) A—(4) B—(3) C—(1) D—(2)
(d) A—(2) B—(3) C—(4) D—(1)
State one way of increasing the frequency of a note produced by an air column.
How does the frequency of sound given by a stretched string depend on its (a) length, (b) tension?