Practice Test

Q1) In transverse waves, particles of the medium vibrate Show Answer

Q2) Which of the following is correct formula for velocity of transverse wave ? Show Answer

Q3) Which of the following relation is correct for velocity of longitudinal waves ? Show Answer

Q4) The audible frequency range of human ear is 20 Hz and 20 kHz. The corresponding wave length range is
[ speed of sound in air = 340 m/s] Show Answer

Q5) According to Laplace, modulus of elasticity is the adiabatic modulus of elasticity of air medium and it is given by Show Answer

Q6) The distance between two consecutive crests in a wave train produced in a string is 5 cm. If two complete waves pass through any point per second, the velocity of sound is Show Answer

Q7) Which of the following is NOT the correct formula representing velocity of sound ? Show Answer

Q8) The correct equation for velocity of sound in a medium given by Laplace is Show Answer

Q9) Sound waves do not get generated from Show Answer

Q10) Oscillatory or vibrating motion means to and fro motion Show Answer

Q11) In case of sound waves amplitude means Show Answer

Q12) In oscillatory motion, particles of the medium perform Show Answer

Q13) The amplitude of vibration of oscillating particle goes on decreasing because it is opposed by Show Answer

Q14) The frequency of oscillation of a particle is the number of oscillation made by particle in Show Answer

Q15) Sound is interpreted by Show Answer

Q16) Which type of oscillation is damped oscillation ? Show Answer

Q17) Oscillator tranfers Show Answer

Q18) Wave motion is a propogation of disturbance through the medium in terms of Show Answer

Q19) Which of the following waves do not require material medium for propogation ? Show Answer

Q20) For a wave which of the following statement is true ? Show Answer

Q21) For propogation of sound wave medium should be Show Answer

Q22) Which of the following is not an example of mechanical waves ? Show Answer

Q23) Wave motion is periodic in Show Answer

Q24) Sound is a form of energy for which Show Answer

Q25) Particles of the medium Show Answer

Q26) When energy is imparted to the particles of medium then Show Answer

Q27) Choose WRONG statement Show Answer

Q28) Progressive waves in a vibrating medium have same Show Answer

Q29) Progressive wave with doubly periodic means Show Answer

Q30) Sound waves are Show Answer

Q31) Which of the following is not the characteristic of the progressive wave ? Show Answer

Q32) Two particles of the medium are in same phase, then distance between them is Show Answer

Q33) The convex part of the transverse wave is Show Answer

Q34) In longitudinal waves the region where particles are less crowded are known as Show Answer

Q35) Longitudinal waves create Show Answer

Q36) In a wave motion if direction of propogation is perpendicular to the vibration of the particle, then it is Show Answer

Q37) Transverse wave has the following directions to observe, identify CORRECT one. Show Answer

Q38) Distinguishing property of transverse and longitudinal waves is that Show Answer

Q39) When transverse waves advance through a medium Show Answer

Q40) The transverse wave can travel through Show Answer

Q41) Velocity of transverse wave travelling through a string having tension 25 N and linear density 1 kg/m is Show Answer

Q42) Compression is the region where particles of the medium are Show Answer

Q43) Distance between any two compression or rarefaction in longitudinal wave is Show Answer

Q44) Which of the following are responsible for transfer of energy in longitudinal wave ? Show Answer

Q45) When longitudinal wave advances through a medium Show Answer

Q46) Longitudinal waves cannot be polarised because Show Answer

Q47) When a longitudinal wave travels in a medium then the quantity propogating in the direction of propogation are Show Answer

Q48) Vibrating tuning fork explains compression and refraction as below. Choose incorrect statement Show Answer

Q49) ________ is produced when an object is set into vibrations Show Answer

Q50) The maximum displacement of vibrating particle from its mean position is called as Show Answer

Q51) Each particle of the medium vibrate with _____ amplitude. Show Answer

Q52) The distance covered by the disturbance (wave) per second is called Show Answer

Q53) When wave changes the medium, the ______ does not change. Show Answer

Q54) An observer standing at the sea-coast, observes 48 waves reaching the coast per minute. If wave length of each wave is 10 m, then the velocity of the wave is Show Answer

Q55) Speed of wave in a medium is 760 m/s. If 3600 waves are apssing through a point in the medium in 2 minutes then wave length is Show Answer

Q56) Sound wave propogation is NOT possible through Show Answer

Q57) The propogation of sound waves through homogeneous medium was studied by Show Answer

Q58) Newton assumed that changes taking place in a medium, when sound waves propogating through medium are Show Answer

Q59) Velocity of sound in any gas depends upon Show Answer

Q60) Newton assumed that compressions and rarefactions in medium occur Show Answer

Q61) The ______ is developed during compression. Show Answer

Q62) According to Newton's assumption the temperature of the gases medium _____ when sound waves travel through medium. Show Answer

Q63) In the expression for velocity of sound, according to Newton, the modulus of elasticity is Show Answer

Q64) Laplace's correction in the formula for the speed of sound given by Newton was required because sound waves Show Answer

Q65) With the rise of temperature, the speed of sound in a gas Show Answer

Q66) The velocity of sound in air increases with increase in Show Answer

Q67) The speed of sound is NOT affected by Show Answer

Q68) Pitch of a note depends upon Show Answer

Q69) Quality of a musical note depends upon Show Answer

Q70) Every musical sound can be regarded as combination of Show Answer

Q71) Increase in loudness of sound produced by radio is related with changes in its Show Answer

Q72) Two sounds of same pitch and loudness differ by Show Answer

Q73) Loudness can be increased by Show Answer

Q74) Loudness of the sound depends upon Show Answer

Q75) Two musical sounds may NOT differ on which of the following characteristic ? Show Answer

Q76) A note is Show Answer

Q77) Under similar conditions of temperature and pressure, in which of the gases the speed of sound will be the greatest ? Show Answer

Q78) When two or more notes are sounded together, they produce pleasant effect due to conchord. It is called as Show Answer

Q79) A series of notes seperated by a fixed musical intervals constitute Show Answer

Q80) When two astronauts talk on the surface of the moon then Show Answer

Q81) A musical interval 4:3 is Show Answer

Q82) The diatonic scale consists of series of _______ notes. Show Answer

Q83) The ratio of frequencies between two notes in the musical scale is known as Show Answer

Q84) Slight mistunning of the note has a ________ effect. Show Answer

Q85) The interval between the key note and the last note is Show Answer

Q86) The starting note of a musical scale is Show Answer

Q87) Transverse waves can not propogate through liquids and gases because Show Answer

Q88) In the formation of longitudinal wave particle communicate disturbance to next particle in time T( periodic time) Show Answer

Q89) The tuning forks of frequencies 320 Hz and 340 Hz produce sound waves of wavelength differing by 6 cm in air. The velocity of sound in air is Show Answer

Q90) If the splash is heard 4.23 s after a stone dropped into a pit in which water level is 78.4 m deep, the velocity of sound is Show Answer

Q91) A source of frequency 500 Hz produces waves. If wave length is 0.1 m, the waves travel distance of 300 m in Show Answer

Q92) A tunning fork vibrates and produces concentric transverse waves on the surface of water. If distance between 10 crests is 9.0 m and velocity of wave on the surface of water is 450 m/s, then frequency of the tunning fork is Show Answer

Q93) A man standing between two cliffs claps his hands and starts hearing series of a echoes at interval of one second. Since the speed of sound in air 340 m/s, the distance between cliffs must be Show Answer

Q94) Which of the following is CORRECT way to identify a longitudinal wave ? Show Answer

Q95) Sound travels fastest in Show Answer

Q96) Loudness of the sound does not depends upon Show Answer

Q97) The pleasant sensation produced when two notes simultaneously sounded together is Show Answer

Q98) Which of the following is NOT the intervals in diatonic scale ? Show Answer

Q99) Which of the following is NOT correct condition for the propogation of mechanical wave through a medium ? Show Answer

Q100) Choose INCORRECT example of an oscillating particle.
Show Answer

Q101) Choose WRONG statement.
Show Answer

Q102) For the propogation of transverse wave the medium should possess the property of Show Answer

Q103) The correct velocity pressure graph for sound wave is Show Answer