Doubts
Sign in
12thPass logo
New chatPYQ LibraryDoubtsRank report
Sign in to see Recents
Sign in to save progress →
Doubts
Sign in

Waves question

2014 · Shift 0 · Q61
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /JEE Main
  3. /Physics
  4. /Waves
  5. /2014 · Shift 0 · Q61

Waves question

2014 · Shift 0 · Q61

JEE MainPhysicsWavesMCQ+4 / −1
A pipe of length 85cm85cm85cm is closed from one end. Find the number of possible natural oscillations of air column in the pipe whose frequencies lie below 1250Hz1250Hz1250Hz. The velocity of sound in air is 340m/s340m/s340m/s.
  1. A
    121212
  2. B
    888
  3. C
    666
  4. D
    444
PreviousNext

More from Waves

  • A sonometer wire of length 1.5m is made of steel. The tension in it produces an elastic strain of 1%. What is the fundamental frequency of steel if density and elasticity of steel are 7.7×103kg/m3 and 2.2×1011N/m2…2013 · MCQ
  • A cylindrical tube, open at both ends, has a fundamental frequency, f, in air. The tube is dipped vertically in water so that half of it is in water. The fundamental frequency of the air-column is now :2012 · MCQ
  • The transverse displacement y(x,t) of a wave on a string is given by y(x,t)=e−(ax2+bt2+2ab​xt). This represents a:2011 · MCQ
  • The equation of a wave on a string of linear mass density 0.04kgm−1 is given by y=0.02(m)sin[2π(0.04(s)t​−0.50(m)x​)]. The…2010 · MCQ
  • Three sound waves of equal amplitudes have frequencies (v−1),v,(v+1). They superpose to give beats. The number of beats produced per second will be :2009 · MCQ
  • A wave travelling along the x-axis is described by the equation y(x,t)=0.005 cos(αx−βt). If the wavelength and the time period of the wave are 0.08m and 2.0s, respectively, then α and β…2008 · MCQ
  • While measuring the speed of sound by performing a resonance column experiment, a student gets the first resonance condition at a column length of 18cm during winter. Repeating the same experiment during summer, she measures the column…2008 · MCQ
  • A sound absorber attenuates the sound level by 20dB. The intensity decreases by a factor of2007 · MCQ