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MCQ practice · SSC Physics Board questions · Chapter 7

SSC Physics Chapter 7.

Waves and Sound

29 questions · Board questions

  1. If the time period of a particle of a wave is longer, what will happen?Mymensingh Board 2022
  2. A piece of brick of mass 30 gm is hung from a string 1 m long. What will the time period be?Barishal Board 2024
  3. The motion of an object hung from a spring is:Dhaka Board 2024
  4. Which of the following relations is correct?Dinajpur Board 2024
  5. Which of the following equations is correct?Mymensingh Board 2024
  6. T = 2π√(l/g), where T is the time period, l is the length of the string and g is the acceleration due to gravity. When will the time period T in the stimulus be greater?Rajshahi Board 2022
  7. Which relation is correct?Barishal Board 2022
  8. Which of the following is a longitudinal wave?Cumilla Board 2023
  9. A sound wave travels 1750 m in air in 5 s. If the wavelength of the wave is 0.5 m, what is its frequency?Dhaka Board 2023
  10. If the speed of sound is 340 ms⁻¹ and the wavelength is 250 cm, what is the time period?Mymensingh Board 2023
  11. Which of the following remains unchanged when a wave passes through different media?Cumilla Board 2022
  12. The frequencies of two tuning forks are 200 Hz and 800 Hz. What is the ratio of the wavelengths of the waves from the two forks?Mymensingh Board 2022
  13. What is the time period of the wave produced by the tuning fork?Sylhet Board 2024
  14. What kind of wave is sound?Jashore Board 2022
  15. In which of the following media is the speed of sound the lowest?Rajshahi Board 2023
  16. A sound of frequency 2 kHz travels through an iron pipe at a speed of 5130 ms⁻¹. What is the wavelength of that sound?Chattogram Board 2022
  17. By how many times must the amplitude of a sound wave be increased to increase the intensity of the sound 16 times?Mymensingh Board 2023
  18. About what frequency of sound can a bat produce?Dinajpur Board 2024
  19. A bat can produce sound of 100 kHz. What kind of sound is this?Rajshahi Board 2023
  20. While finding its way, a bat uses which property of sound?Sylhet Board 2022
  21. The depth of an empty well is 25 m. At most what height of water can it hold so that an echo is heard?Jashore Board 2023
  22. In which medium is the speed of sound highest?Chattogram Board 2024 · Barishal Board 2023
  23. In which of the following media does sound travel fast?Dhaka Board 2024 · Dhaka Board 2023
  24. The speed of sound in air is inversely proportional to the square root of which of the following?Barishal Board 2024
  25. The speed of sound in air:Chattogram Board 2023
  26. If the speed of sound in air is v:Barishal Board 2022
  27. What is the speed of sound in mercury?Chattogram Board 2022
  28. Through which of the following substances is the speed of sound greater?Dinajpur Board 2023
  29. Which musical instrument is made with a flow of air?Dhaka Board 2024 · Cumilla Board 2022