Which of the following statements is wrong
The relation between frequency ‘n’ wavelength ‘λ’ and velocity of propagation ‘v’ of wave is
The distance between two consecutive crests in a wave train produced in a string is 5 cm. If 2 complete waves pass through any point per second, the velocity of the wave is
A tuning fork makes 256 vibrations per second in air. When the velocity of sound is 330 m/s, then wavelength of the tone emitted is
A man sets his watch by a whistle that is 2 km away. How much will his watch be in error. (speed of sound in air 330 m/sec)
When a sound wave of frequency 300 Hz passes through a medium the maximum displacement of a particle of the medium is 0.1 cm. The maximum velocity of the particle is equal to
Sound waves have the following frequencies that are audible to human beings
Velocity of sound waves in air is 330 m/sec. For a particular sound in air, a path difference of 40 cm is equivalent to a phase difference of 1.6 π. The frequency of this wave is
The minimum audible wavelength at room temperature is about
In a sinusoidal wave, the time required for a particular point to move from maximum displacement to zero displacement is 0.170 second. The frequency of the wave is
The number of waves contained in unit length of the medium is called
The frequency of a rod is 200 Hz. If the velocity of sound in air is 340ms‾¹ , the wavelength of the sound produced is
Frequency range of the audible sounds is
In a medium sound travels 2 km in 3 sec and in air, it travels 3 km in 10 sec. The ratio of the wavelengths of sound in the two media is
A stone is dropped into a lake from a tower 500 metre high. The sound of the splash will be heard by the man approximately after
When sound waves travel from air to water, which of the following remains constant
A stone is dropped in a well which is 19.6m deep. Echo sound is heard after 2.06 sec (after dropping) then the velocity of sound is
At what temperature velocity of sound is double than that of at 0°C
Velocity of sound is maximum in
If velocity of sound in a gas is 360 m/s and the distance between a compression and the nearest rarefaction is 1m, then the frequency of sound is
If the density of oxygen is 16 times that of hydrogen, what will be the ratio of their corresponding velocities of sound waves
At which temperature the speed of sound in hydrogen will be same as that of speed of sound in oxygen at 100oC
A tuning fork produces waves in a medium. If the temperature of the medium changes, then which of the following will change
Which of the following is different from others
The phase difference between two points separated by 1m in a wave of frequency 120 Hz is 90°. The wave velocity is