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Exam NameSound QUESTIONS
DescriptionSound QUESTIONS and Answers exams contains the questions from various competitive exams.These questions are the part of previous year paper.These kind of questions would be helpful in preparing for exams like IAS, PCS, UPSC, NDA, CDS SSC, RRB, PSC, IBPS
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Question: The technique used to transmit audio signal in television broadcasts is-

Answer:frequency modulation

Question: When the same note is played on a sitar and a flute the sound produced can be distinguished from each other because of the difference in;

Answer:quality only

Question: When the frequency distribution is normal:

Answer:mean mode and median are identical

Question: The noise level of 100 decibel would correspond to :

Answer:noise from a machine shop

Question: Which one of the following does TV remote control unit use to operate a TV set ?

Answer:radio waves

Question: Which of the following types is used by computed tomography employed for visualisation of the internal structure of human body ?


Question: When light waves pass from air to glass the variables affected are

Answer:wavelength and velocity

Question: The velocity of sound produced by a vibrating body varies:-

Answer:inversely as the density of the medium

Question: A particle is executing simple harmonic motion. Its total energy is proportional to its:-

Answer:square of amplitude of motion

Question: A wave under goes reflection from a rigid boundary. One of its characteristic parameters that changes is-


Question: The quality of a musical note depends upon

Answer:its harmonic content

Question: In vaccum the speed of light

Answer:neither depends on its wavelength frequency nor intensity

Question: Which among the following in the necessary condition for simple harmonic motion ?

Answer:acceleration is proportional to the displacement from mean position and is always directed towards it

Question: Sound moves with higher velocity it

Answer:both (b) and (c)

Question: Which one of the following is not electromagnetic in nature ?

Answer:Cathode rays

Question: Which of the following is used in oven


Question: Which one of the following has highest frequency ?

Answer:cosmic rays

Question: Which of the following electromagnetic waves has the longest wavelength ?

Answer:Infrared rays

Question: X-rays were discovered by_


Question: Doppler effect is independent of

Answer:distance between source and observer