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Physics - Waves and Sound

Practise 17 KVPY previous year questions on Waves and Sound, compiled from papers spanning 2010 to 2020. Each question is pulled directly from the actual exam paper it appeared in, so you're practising in the exact style and difficulty KVPY tests.

  1. 1The clocktower ( ghantaghar ) of Dehradun is famous for the sound of its bell, which can be heard, albeit faintly, upto the outskirts of the2020 (SB/SX)
  2. 2Two identical coherent sound sources R and S with frequency f are 5 m apart. An observer standing equidistant from the source and at a perpe2019 (SB/SX)
  3. 3A rope of length L and uniform linear density is hanging from the ceiling. A transverse wave pulse, generated close to the free end of the r2019 (SB/SX)
  4. 4A person in front of a mountain is beating a drum at the rate of 40 per minute and hears no distinct echo. If the person moves 90 m closer t2018 (SA)
  5. 5A closed pipe of length contains some sand. A speaker is connected at one of its ends. The frequency of the speaker at which the sand will a19 Nov, 2017 (SB/SX)
  6. 6A bomb explodes at time in a uniform, isotropic medium of density and releases energy E, generating a spherical blast wave. The radius of th19 Nov, 2017 (SB/SX)
  7. 7A transverse wave of frequency and speed is traveling in the positive direction on a long string. At time the displacements at and at are an05 Nov, 2017 (SB/SX)
  8. 8A parallel beam of light is incident on a tank filled with water up to a height of as shown in the figure below. Ultrasonic waves of frequen05 Nov, 2017 (SB/SX)
  9. 9A hearing test is conducted on an aged person. It is found that her threshold of hearing is 20 decibels at and it rises linearly with freque2016 (SB/SX)
  10. 10The intensity of sound during the festival season increased by 100 times. This could imply a decibel level rise from2015 (SB/SX)
  11. 11A whistle emitting a loud sound of frequency is whirled in a horizontal circle of radius and at a constant angular speed of . The speed of s2014 (SB/SX)
  12. 12An engine moving away from a vertical cliff blows a born at a frequency f. Its speed is of the speed of sound in air. The frequency of the r2013 (SB/SX)
  13. 13The figure below shows pressure variation in two different sound waves in air with time at a given position. Both the figures are drawn to t2013 (SB/SX)
  14. 14A standing wave in a pipe with a length is described by Based on above information, which one of the following statements is incorrect. (Spe2012 (SB/SX)
  15. 15At , a pipe open at both ends resonates at a frequency of 450 hertz. At what frequency does the same pipe resonate on a hot day when the spe2011 (SB/SX)
  16. 16A speaker emits a sound wave of frequency . When it moves towards a stationary observer with speed , the observer measures a frequency . If 2011 (SB/SX)
  17. 17A bus driving along at is approaching a person who is standing at the bus stop, while honking repeatedly at an interval of 30 seconds. If th2010 (SB/SX)

Frequently Asked Questions

1.How many questions are available for Waves and Sound?

This chapter includes 17 questions compiled from KVPY papers spanning 2010 to 2020.

2.Are these questions only from KVPY, or from other exams too?

These are KVPY questions specifically for the Waves and Sound chapter. Questions from other exams like JEE Main or NTA Abhyas (JEE Main) are organised separately under their respective exam sections.

3.Is Waves and Sound an important chapter for KVPY Physics?

Waves and Sound has appeared in 11 of the 11 years of KVPY papers covered here, with 17 questions across 12 papers - about one per paper it appears in.