The  velocity  of  sound  in  open  ended  tube  is  330 m/s,  the  frequency  of  wave  is  1.1 KHz  and  length  of  tube  is  

An  open  pipe  resonates  with  a  tuning  fork  of  frequency  500 Hz.  It  is  observed  that  two  successive  nodes  are  formed  at  distance 16  and  46 cm  from  the  open  end.  The  speed  of  sound  in  air  in  the  pipe  is

A  tuning  fork  A  produces  4  beats/s  with  another  tuning  fork  B  of  frequency  320  Hz.  On  filing  one  of  the  prongs  of  A,  4  beat/s  are  again  heard  when  sounded  with  the  same  fork  B . Then,  the  frequency  of  the  fork  A  before  filing  is

An  earthquake  generates  both  transverse  (S)  and  longitudinal  (P)  sound  waves  in  the  earth.  The  speed  of  S  waves  is  about  4.5 km  s ^-1  and  that  of  P  waves  is  about  8.0  km s ^-1.  A  seismograph  records  P  and  S  waves  from  an  earthquake.  The  first  P  wave  arrives  4.0  min  before  the  first  S  wave.  The  epicentre  of  the  earthquake  is  located  at  a  distance of

If the amplitude of sound is doubled and the frequency reduced to one-fourth, the intensity of sound at the same point will

A  resonance  air  column  of  length  20 cm  resonates  with  a  tuning  fork  of  frequency  450  Hz..  Ignoring  end  correction,  the  velocity  of  sound  in  air  is  

Length of a string tied to two rigid supports is 40 cm. Maximum length (wavelength in cm) of a stationary wave produced on it is 

A  string  in  a  musical  instrument  is  50 cm  long  and  its  fundamental  frequency  is  800 Hz.  If  a  frequency  of  1,000 Hz  is  to  be  produced,  then  required length  of  string  is

A  tube  closed  at  one  end  containing  air  produces  fundamental  note  of  frequency  512  Hz.  If  the  tube  is  open  at  both  the  ends,  the  fundamental  frequency  will  be.

A string is stretched between fixed points separated by 75 cm. It is observed to have resonant frequencies of 420 Hz 315 Hz. There are no other resonant frequencies between these two. Then the lowest resonant frequency for this string is