Question Bank
Search, filter, and explore every MCQ across all subjects and topics.
What is the speed of sound in a medium if a wave with a frequency of 2 kHz has a wavelength of 0.75 m?
A person claps their hands near a high wall and hears an echo after 2 seconds. If the speed of sound is 340 m/s, how far is the wall?
The speed of sound is faster on a humid day than on a dry day because humid air is what?
What is the frequency of a wave with a time period of 0.05 seconds?
What happens to the wavelength of a sound wave if its frequency is doubled while keeping speed constant?
The phenomenon where a body vibrates with a large amplitude when forced to vibrate at its natural frequency is called what?
In a longitudinal wave, the region where particles are spread apart is called what?
What is the speed of sound in air at 25 degrees Celsius, assuming it is 332 m/s at 0 degrees Celsius?
Which characteristic of sound allows us to distinguish between a note played on a piano and a note of the same pitch and loudness played on a violin?
A sound source produces 40 compressions and 40 rarefactions in 0.4 seconds. What is the frequency of the sound?
What is the unit of sound level intensity commonly used in acoustics?
If the amplitude of a sound wave is tripled, the intensity becomes how many times the original?
What is the function of the three tiny bones (ossicles) in the middle ear?
Which of the following remains constant as sound travels through a uniform medium at a constant temperature?
A SONAR device on a ship sends a signal to the ocean floor and receives an echo 4 seconds later. If the speed of sound in water is 1500 m/s, what is the depth of the ocean?
In longitudinal waves, the direction of vibration of particles is _______ to the direction of wave motion.