Sounds Waves And Motion MCQ

Test your knowledge with important Sounds Waves And Motion MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30+ more Sounds Waves And Motion MCQs on Bissoy. Bissoy App

• Sound wave in air is
  ক

  transverse

  খ

  longitudinal

  গ

  electromagnetic

  ঘ

  polarised
• Which type of sound waves can propagate in solids?
  ক

  Longitudinal only

  খ

  Transverse only

  গ

  Either longitudinal or transverse

  ঘ

  Non mechanical waves only
• What is the approximate speed of sound in distilled water at 25°C (77°F)?
  ক

  1598 m/s

  খ

  1285 m/s

  গ

  1498 m/s

  ঘ

  3980 m/s
• Resonance is an example of
  ক

  tuning fork

  খ

  forced vibration

  গ

  free vibration

  ঘ

  damped oscillation
• Which of the following is a mechanical wave?
  ক

  Radio-waves

  খ

  X-rays

  গ

  Light waves

  ঘ

  Sound waves
• Which one of the following does a TV remote control unit use to operate a TV set?
  ক

  Light waves

  খ

  Sound waves

  গ

  Micro waves

  ঘ

  Radio waves
• Which colour has the shortest wavelength?
  ক

  Red

  খ

  Orange

  গ

  Blue

  ঘ

  Purple
• The sound produced by a bat is
  ক

  audible

  খ

  subsonic

  গ

  infrasonic

  ঘ

  ultrasonic
• An oscilloscope is an instrument which allows us to see waves produced by
  ক

  visible light

  খ

  X-rays

  গ

  sound

  ঘ

  gamma rays
• Which one of the following types of radiation has the shortest wavelength?
  ক

  Radio waves

  খ

  Visible light

  গ

  Infrared

  ঘ

  Ultraviolet
• Sound above what level (in decibel) is considered hazardous noise pollution?
  ক

  30 dB

  খ

  100 dB

  গ

  80 dB

  ঘ

  120 dB
• Which of the following is used to detect cracks and flaws in metal blocks?
  ক

  Reverberation

  খ

  Ultrasound

  গ

  Echo

  ঘ

  Sound Navigation and Ranging
• Which of the following statements is correct about sound waves and light waves?
  ক

  Both transverse waves

  খ

  Both longitudinal waves

  গ

  Sound waves are transverse waves and light waves are longitudinal waves

  ঘ

  Sound waves are longitudinal and light waves are transverse waves
• What is the effect of pressure on the speed of sound?
  ক

  The speed of sound increases with increase in pressure and vice versa

  খ

  The speed of sound decreases with increase in pressure and vice versa

  গ

  The speed of sound is not affected by pressure

  ঘ

  First the speed of sound increases with increase in pressure then starts decreasing though the pressure increases
• Which one of the following phenomena cannot be exhibited by sound waves?
  ক

  Reflection

  খ

  Refraction

  গ

  Interference

  ঘ

  Polarisation
• The characteristic of sound which distinguishes a female voice from a male voice is called
  ক

  pitch

  খ

  phase

  গ

  quality

  ঘ

  loudness
• Which one of the following is not an electromagnetic wave?
  ক

  Light wave

  খ

  Radio wave

  গ

  Sound wave

  ঘ

  Microwave
• Sound travels fastest in which of the following mediums?
  ক

  solid matter

  খ

  vacuum

  গ

  liquids

  ঘ

  gases
• Vibration of which among the following produces only odd harmonics?
  ক

  A vibrating rod fixed at two ends

  খ

  A vibrating string fixed at two ends

  গ

  An air column in a closed organ pipe

  ঘ

  An air column in an open organ pipe
• Ultrasonics are sound waves of frequency
  ক

  Greater than 20,000 Hz

  খ

  Less than 10,000 Hz

  গ

  Equal to 1000 Hz

  ঘ

  None of the above
• Which of the following statements is not correct regarding the travel of sound waves?
  ক

  Sound waves can travel through water

  খ

  Sound waves can travel throught air

  গ

  Sound waves can travel through steel

  ঘ

  Sound waves can travel through vacuum
• What is the distance between a crest and a consecutive trough in a transverse wave?
  ক

  Wavelength

  খ

  Amplitude

  গ

  Half of the wavelength

  ঘ

  Twice of wavelength
• Loudness of sound depends upon which of the following?
  ক

  Frequency

  খ

  Wavelength

  গ

  Amplitude

  ঘ

  Overtones