Prepare for NEET Physics Waves (Velocity Of Sound) with MCQs & PYQs on NEET.GUIDE. Access free practice, previous year questions, and expert solutions to understand factors affecting sound speed in various media.
A sound wave travels through a medium with a bulk modulus and density . If the medium is suddenly compressed such that its density becomes while the temperature remains constant, what is the new speed of sound in the medium?
v
\sqrt{1.5}v
\frac{v}{\sqrt{1.5}}
1.5v
The velocity of sound in a gas is measured to be 340 m/s. If the density of the gas is doubled while the pressure remains constant, what will be the new velocity of sound?
240.4 m/s
480.8 m/s
170 m/s
340 m/s
Sound travels faster in humid air than in dry air. This is primarily because:
Humid air is less dense than dry air.
Water vapor molecules have higher kinetic energy than nitrogen or oxygen molecules.
Humid air has more pressure than dry air.
Collisions between water vapor molecules and other air molecules enhance the propagation of sound.
The velocity of sound in a gas is given by , where is pressure, is density, and is a constant. If the pressure is doubled while keeping the temperature constant, what happens to the velocity?
Doubles
Halves
Remains the same
Increases by a factor of
The transverse displacement of string fixed at both ends is given by , where x and y are in metre and t is in second. The length of the string is 1.5m and its mass is . The tension in the string is equal to
648 N
724 N
832 N
980 N
The transverse displacement of string fixed at both ends is given by , where x and y are in metre and t is in second. The length of the string is 1.5m and its mass is . The tension in the string is equal to
648 N
724 N
832 N
980 N
To decrease the fundamental frequency of a stretched string fixed at both ends. Which of the following option is correct?
Increase its tension
Increase the wave velocity in it
Increase its length
Decrease its linear mass density
To decrease the fundamental frequency of a stretched string fixed at both ends. Which of the following option is correct?
Increase its tension
Increase the wave velocity in it
Increase its length
Decrease its linear mass density
A length of string has a mass of . If the tension in the string is , the speed of a wave on the string is