Cengage NEET by C.P Singh
A sound wave travelling with a velocity V in a medium A reaches a point on the interface of medium A and medium B. If the velocity in the medium B be 2V, then the angle of incidence for total internal reflection of the wave will be greater than:
14
Sep
A sound wave travelling with a velocity V in a medium A reaches a point on the interface of medium A and medium B. If the velocity in the medium B be 2V, then the angle of incidence for total internal reflection of the wave will be greater than: A sound wave travelling with a [...]
How many times more intense is a 90 dB sound than a 40 dB sound ?
14
Sep
How many times more intense is a 90 dB sound than a 40 dB sound ? How many times more intense is a 90 dB sound than a 40 dB sound ? September 14, 2020 Category: Cengage NEET by C.P Singh , Chapter 17 - Sound Waves , Part 1 ,
If the intensity of sound is doubled, the intensity level will increase by nearly
14
Sep
If the intensity of sound is doubled, the intensity level will increase by nearly If the intensity of sound is doubled the intensity level will increase by nearly September 14, 2020 Category: Cengage NEET by C.P Singh , Chapter 17 - Sound Waves , Part 1 ,
If the pressure amplitude in a sound wave is tripled, then by what factor the intensity of sound wave is increased ?
14
Sep
If the pressure amplitude in a sound wave is tripled, then by what factor the intensity of sound wave is increased ? If the pressure amplitude in a sound wave is tripled then by what factor the intensity of sound wave is increased ? September 14, 2020 Category: Cengage NEET by C.P Singh , Chapter [...]
A person speaking normally produces a sound intensity of 40 dB at a distance of 1 m. If the threshold intensity for reasonable audibility is 20 dB, the maximum distance at which he can be hear clearly is
14
Sep
A person speaking normally produces a sound intensity of 40 dB at a distance of 1 m. If the threshold intensity for reasonable audibility is 20 dB, the maximum distance at which he can be hear clearly is A person speaking normally produces a sound intensity of 40 dB at a distance of 1 m. [...]
A sound has an intensity of 2×10^−8W/m^2. Its intensity level in decibels is (log102 = 0.3)
14
Sep
A sound has an intensity of 2×10^−8W/m^2. Its intensity level in decibels is (log102 = 0.3) A sound has an intensity of 2×10^−8W/m^2. Its intensity level in decibels is (log102 = 0.3) September 14, 2020 Category: Cengage NEET by C.P Singh , Chapter 17 - Sound Waves , Part 1 ,
A spherical source of power 4 W and frequency 800 Hz is emitting sound waves. The intensity of waves at a distance 200 m is
14
Sep
A spherical source of power 4 W and frequency 800 Hz is emitting sound waves. The intensity of waves at a distance 200 m is A spherical source of power 4 W and frequency 800 Hz is emitting sound waves. The intensity of waves at a distance 200 m is September 14, 2020 Category: Cengage [...]
If the amplitude of a wave at a distance r from a point source is A, the amplitude at a distance 2r will be
14
Sep
If the amplitude of a wave at a distance r from a point source is A, the amplitude at a distance 2r will be If the amplitude of a wave at a distance r from a point source is A the amplitude at a distance 2r will be September 14, 2020 Category: Cengage NEET by [...]
If the displacement amplitude of sound is doubled and the frequency reduced to one-fourth, the intensity will become
14
Sep
If the displacement amplitude of sound is doubled and the frequency reduced to one-fourth, the intensity will become If the displacement amplitude of sound is doubled and the frequency reduced to one-fourth the intensity will become September 14, 2020 Category: Cengage NEET by C.P Singh , Chapter 17 - Sound Waves , Part 1 ,
The intensity of a plane progressive wave of frequency 1000 Hz is 10^−10 Wm^−2. Given that the speed of sound is 330 m/s and density of air is 1.293 kg/m^3 . Then the maximum change in pressure in N/m^2 is
14
Sep
The intensity of a plane progressive wave of frequency 1000 Hz is 10^−10 Wm^−2. Given that the speed of sound is 330 m/s and density of air is 1.293 kg/m^3 . Then the maximum change in pressure in N/m^2 is The temperature at which speed of sound in air becomes double its value at 0 [...]