Chapter 17 – Wave Motion
Two trains move towards each other with the same speed. Speed of sound is 340 ms^(-1). Frequency of tone of the whistle of one when heard by the other changes 9/8 times, then the speed of each trains is
26
Jun
Two trains move towards each other with the same speed. Speed of sound is 340 ms^(-1). Frequency of tone of the whistle of one when heard by the other changes 9/8 times, then the speed of each trains is then the speed of each trains is Two trains move towards each other with the same [...]
An engine driver moving towards a wall with a velocity of 50 ms^−1 emits a note of frequency 1.2 kHz. The frequency of note after reflection from the wall as heard by the engine driver when the speed of sound in air is 350 ms^−1 is
26
Jun
An engine driver moving towards a wall with a velocity of 50 ms^−1 emits a note of frequency 1.2 kHz. The frequency of note after reflection from the wall as heard by the engine driver when the speed of sound in air is 350 ms^−1 is A transverse periodic wave on a string with a [...]
A closed organ pipe and an open organ pipe of same length produce 4 beats when they are set into vibrations simultaneously. If the length of each of them were twice their initial lengths, the number of beats produced will be
26
Jun
A closed organ pipe and an open organ pipe of same length produce 4 beats when they are set into vibrations simultaneously. If the length of each of them were twice their initial lengths, the number of beats produced will be A closed organ pipe and an open organ pipe of same length produce 4 [...]
A tuning fork of frequency 512 Hz is vibrated with a sonometer wire and 6 beats per second are heard. The beat frequency reduces if the tension in the string is slightly increased. The original frequency of vibration of the string is
26
Jun
A tuning fork of frequency 512 Hz is vibrated with a sonometer wire and 6 beats per second are heard. The beat frequency reduces if the tension in the string is slightly increased. The original frequency of vibration of the string is A transverse periodic wave on a string with a mass density of 0.200 [...]
A resonance tube is resonated with tuning fork of frequency 256 Hz. If the length of first and second resonating air columns are 32 cm and 100 cm, then end correction will be
26
Jun
A resonance tube is resonated with tuning fork of frequency 256 Hz. If the length of first and second resonating air columns are 32 cm and 100 cm, then end correction will be A resonance tube is resonated with tuning fork of frequency 256 Hz. If the length of first and second resonating air columns [...]
A person is talking in a small room and the sound intensity level is 60 dB everywhere within the room. If there are eight people talking simultaneously in the room, what is the sound intensity level?
26
Jun
A person is talking in a small room and the sound intensity level is 60 dB everywhere within the room. If there are eight people talking simultaneously in the room, what is the sound intensity level? A person is talking in a small room and the sound intensity level is 60 dB everywhere within the [...]
A piece of cork is floating on water in a small tank. The cork oscillates up and down vertically when small ripples pass over the surface of water. The velocity of the ripples being 0.21 ms^ −1, wave length 15 mm and amplitude 5 mm, the maximum velocity of the piece of cork is
26
Jun
A piece of cork is floating on water in a small tank. The cork oscillates up and down vertically when small ripples pass over the surface of water. The velocity of the ripples being 0.21 ms^ −1, wave length 15 mm and amplitude 5 mm, the maximum velocity of the piece of cork is A [...]
A wire of density 9 gm/cm^3 is stretched between two clamps 1.00 m apart subjected extension of 0.05 cm. The lowest frequency of transverse vibrations in the wire is. (Assume Young’s modulus Y = 9∗10^10 N/m^2)
26
Jun
A wire of density 9 gm/cm^3 is stretched between two clamps 1.00 m apart subjected extension of 0.05 cm. The lowest frequency of transverse vibrations in the wire is. (Assume Young’s modulus Y = 9∗10^10 N/m^2) A transverse periodic wave on a string with a mass density of 0.200 kg/m is described by the following [...]
A transverse periodic wave on a string with a mass density of 0.200 kg/m is described by the following equation y=0.05sin(420t−21.0x), where x and y are in meters and t is in seconds. Tension in the string is
26
Jun
A transverse periodic wave on a string with a mass density of 0.200 kg/m is described by the following equation y=0.05sin(420t−21.0x), where x and y are in meters and t is in seconds. Tension in the string is A transverse periodic wave on a string with a mass density of 0.200 kg/m is described by [...]
A wave frequency 400 hz has a wave velocity of 300m/s. The phase difference between two displacement at certain point at time t=10^-3 s apart is
19
Sep
A wave frequency 400 hz has a wave velocity of 300m/s. The phase difference between two displacement at certain point at time t=10^-3 s apart is A wave frequency 400 hz has a wave velocity of 300m/s. The phase difference between two displacement at certain point at time t=10^-3 s apart is September 19, 2020 [...]