NEET Physics Waves Velocity Of Sound MCQs

Two sound waves, one with a frequency of 250 Hz and the other with 750 Hz, travel through the same medium. Which wave has a longer wavelength?

A sound wave travels from air into water. Which of the following properties of the sound wave remains unchanged?

If the frequency of a sound wave is doubled, what happens to its speed in the same medium?

The fundamental frequency of a closed air column is 200 Hz. If the speed of sound is 340 m/s, what is the next resonant length of the air column?

A sonometer is set on the floor of a lift. When the lift is at rest, the sonometer wire vibrates with fundamental frequency 256 Hz. When the lift goes up with acceleration $a = \frac{{9g}}{{16}}$ vibration of the same wire changes to

A sonometer is set on the floor of a lift. When the lift is at rest, the sonometer wire vibrates with fundamental frequency 256 Hz. When the lift goes up with acceleration $a = \frac{{9g}}{{16}}$ vibration of the same wire changes to

5 beats/second are heard when a turning fork is sounded with a sonometer wire under tension, when the length of the sonometer wire is either 0.95 m or 1 m. The frequency of the fork will be :

To decrease the fundamental frequency of a stretched string fixed at both ends. Which of the following option is correct?

To decrease the fundamental frequency of a stretched string fixed at both ends. Which of the following option is correct?

If the distance between successive compressions and rarefraction in a sound wave is 2m and velocity of sound is 360 m/s, then the frequency is