In which instruments Helmholtz resonators also important?
1.Stringed
2.Woodwind
3.Brass
4.Keyboard
Posted Date:-2022-06-24 12:08:08
As sound requires a medium, it cannot travel through which of the following?
1.Glass
2.Air
3.Vacuum
4.Water
Posted Date:-2022-06-24 11:37:48
At what sound pressure is the pain felt?
1.53 Pa
2.63 Pa
3.73 Pa
4.103 Pa
Posted Date:-2022-06-24 12:37:31
By which formula the resonant frequency is determined?
1.f = c/2π√B/VS Hz
2.f = c/5π√A/VL Hz
3.f = c/2π√A/VL Hz
4.f = c/3π√A/VS Hz
Posted Date:-2022-06-24 12:05:26
How do sound waves travel from the point of source?
1.Spherical waves
2.Oval waves
3.Sinewaves
4.Cos waves
Posted Date:-2022-06-24 11:50:01
How many bones does middle ear have?
1.1
2. 2
3. 3
4.4
Posted Date:-2022-06-24 12:26:37
How many set of frequencies comprise the spectrum?
1.1
2.2
3.3
4.4
Posted Date:-2022-06-24 12:12:48
How much phons is equal to 1 sone?
1.10
2.20
3.30
4.40
Posted Date:-2022-06-24 12:39:41
How much times greater is the threshold of pain corresponding to pressure amplitude of the atmospheric pressure?
1.10 million
2.1 billion
3.1 trillion
4.1 million
Posted Date:-2022-06-24 12:36:03
Two sounds have levels of 80 dB and 100 dB. What is the difference in sound intensities?
1.50
2.100
3.200
4.1000
Posted Date:-2022-06-24 12:42:27
What can be expressed as distance travelled in one second?
1.Phase
2.Velocity
3.Period
4.Wavelength
Posted Date:-2022-06-24 11:56:36
What can be termed as frequencies higher than the fundamental frequencies?
1.Overtones
2.Timbre
3.Pitch
4.Frequency
Posted Date:-2022-06-24 12:13:48
What can be termed as the intensity of compressions and rarefaction produced in the medium?
1.Frequency
2.Cycle
3.Wavelength
4.Amplitude
Posted Date:-2022-06-24 11:50:55
What can be termed as the sensation of a frequency?
1.Interval
2.Octaves
3.Harmonic
4.Pitch
Posted Date:-2022-06-24 12:09:29
What can occur when the speed of a wave changes, as it moves from one environment to another?
1.Reflection
2.Diffraction
3.Frequency
4.Refraction
Posted Date:-2022-06-24 12:01:45
What causes reverberation?
1.Diffraction
2.Frequency
3.Reflection
4. Refraction
Posted Date:-2022-06-24 12:01:08
What does the bones in the ear act like?
1.Audio amplifier
2.Video amplifier
3.Radio amplifier
4.Ultrasonic amplifier
Posted Date:-2022-06-24 12:27:44
What is called as the sound power per unit area?
1.Sound intensity
2.Sound pressure
3.Sound amplitude
4.Sound velocity
Posted Date:-2022-06-24 12:41:35
What is caused by bending across obstacles in sound waves?
1.Diffraction
2.Reflection
3.Frequency
4.Refraction
Posted Date:-2022-06-24 12:02:23
What is disturbed at the opening of Helmholtz resonator that bounces like a mass on a spring in simple harmonic motion which creates sound?
1.Air
2.Water
3.Sound
4. Frequency
Posted Date:-2022-06-24 12:08:41
What is termed as a pattern which repeats itself over time?
1.Wavelength
2.Frequency
3.Amplitude
4.Periodic Vibration
Posted Date:-2022-06-24 11:52:02
What is termed as one repetition of the pattern?
1.Velocity
2.Cycle
3.Frequency
4. Wavelength
Posted Date:-2022-06-24 11:52:39
What is termed as the amount of sound energy that is reflected off a surface?
1.Reflection
2.Refraction
3.Diffraction
4.Frequency
Posted Date:-2022-06-24 11:58:36
What is termed as time required to complete one cycle of vibration?
1.Amplitude
2. Wavelength
3.Period
4.Cycle
Posted Date:-2022-06-24 11:53:51
What is the dimension of sound waves in the real world?
1.One-dimensional
2.Two-dimensional
3.Three-dimensional
4.Four-dimensional
Posted Date:-2022-06-24 11:36:46
What is the effect called in which each single molecule only moves a small distance as it vibrates, and it causes the nearby molecules to vibrate all the way to the ear?
1.Spectral effect
2.Dynamic effect
3.Domino effect
4.Modulation effect
Posted Date:-2022-06-24 11:45:32
What is the full form of Hi – Fi?
1.Highest fidelity
2.High fidelity
3. Huge fidelity
4.High frequency
Posted Date:-2022-06-24 12:32:44
What is the full form of SPL?
1.Signal Pressure Level
2.Sound Pressure Level
3.Signal Phase Level
4. Sound Periodic Level
Posted Date:-2022-06-24 12:40:50
What is the interval between 400 Hz and 100 Hz?
1.4
2.16
3.40,000
4.128
Posted Date:-2022-06-24 12:25:45
What is the newer unit of loudness and is now the international standard?
1.Phon
2.Sone
3.Decibel
4.Frequency
Posted Date:-2022-06-24 12:39:01
What is the required frequency range for Hi-Fi programs?
1.80 Hz to 5 KHz
2.40 Hz to 15 KHz
3.60 Hz to 55 KHz
4.8 Hz to 66 KHz
Posted Date:-2022-06-24 12:33:48
What is the required frequency range for normal entertainment programs?
1.80 Hz to 5 KHz
2.40 Hz to 15 KHz
3.60 Hz to 55 KHz
4.8 Hz to 66 KHz
Posted Date:-2022-06-24 12:35:05
What is the sound motion curves called?
1.Frequency
2.Cycle
3.Overtone
4.Waveform
Posted Date:-2022-06-24 11:48:47
What is the standard pitch of a human ear?
1.220 Hz
2.600 Hz
3.20 Hz
4.440 Hz
Posted Date:-2022-06-24 12:09:58
What is the unit of loudness level for pure tone?
1.Decibel
2.Velocity
3.Phon
4.Wavelength
Posted Date:-2022-06-24 12:38:23
What is the velocity at 0° C?
1.331 m/s
2. 339 m/s
3. 351 m/s
4.431 m/s
Posted Date:-2022-06-24 11:57:32
What makes two musical instruments sound different when they are playing the same note?
1.Overtones
2.Timbre
3.Frequency
4.Pitch
Posted Date:-2022-06-24 12:14:28
Which age group of people can hear the frequencies above 20,000 Hz?
1.70-80 years
2.65-75 years
3.Young
4.55-65 years
Posted Date:-2022-06-24 12:31:46
Which audio frequencies have smaller wavelength and suffer less diffraction?
1.Low
2.High
3.Medium
4.Low and High
Posted Date:-2022-06-24 12:03:27
Which change is insensitive to a human ear?
1.Phase
2.Velocity
3.Timbre
4.Overtones
Posted Date:-2022-06-24 12:11:26
Which is one of the most common applications of Helmholtz resonator?
1.Woofer
2.Subwoofer
3.Reflection
4. Diffraction
Posted Date:-2022-06-24 12:07:37
Which of the following has all the characteristics of a wave like amplitude, frequency, wavelength, phase and velocity?
1.Sound
2.Intensity
3.Air
4.Energy
Posted Date:-2022-06-24 11:46:15
Which of the following is the fluid-filled tube present in the inner ear?
1.Cochlea
2.Pinna
3.Auditory nerve
4.Fallopian
Posted Date:-2022-06-24 12:29:09
Which of the following sounds are considered harmonic?
1.Thunder and splattering of rain
2.Flute and trumpet
3.Thunder and trumpet
4.Thunder and saxophone
Posted Date:-2022-06-24 12:16:17
Which of the following sounds are considered inharmonic?
1.Thunder and splattering of rain
2.Thunder and trumpet
3.Saxophone and trumpet
4.Trumpet and flute
Posted Date:-2022-06-24 12:15:28
Which resonant frequencies can be obtained with Helmholtz resonator?
1.Low
2.High
3.Medium
4.Low and High
Posted Date:-2022-06-24 12:06:12
Which resonator is a container/bottle of gas with an open hole?
1.Helmholtz
2.Coaxial
3.Dielectric
4.Crystal
Posted Date:-2022-06-24 12:04:27
Which scale is often convenient to measure sound pressures on a logarithmic scale?
1.Amplitude
2.Decibel
3.Threshold
4.Temperature
Posted Date:-2022-06-24 12:36:51
Which sounds are generally pitched regarding human speech?
1.Vowels
2. Consonants
3. Amplitude
4.Resonant
Posted Date:-2022-06-24 12:16:48
Who is capable of detecting a difference in frequency between two separate sounds that is as little as 2 Hz?
1.Young
2.Old
3.Musically trained
4.Infants
Posted Date:-2022-06-24 12:10:41