List of top Electronics Technology Questions on sound asked in CBSE CLASS XII

With the help of block diagram, explain the working of digital sound recording.
With the help of diagram, explain the working of capacitance microphone.
Why is biasing required in magnetic tape system? Write its types.
Define dynamic range of a loudspeaker.
Write two advantages and one disadvantage of CD/DVD player.
What do you understand by loudspeaker enclosure?
Which of the following can be used for analog sound recording?
What do you mean by playback?
Which of the following is not a part of carbon microphone?
On which principle does a moving coil microphone work?
In which of the following loudspeaker there is no diaphragm?
________ is a kind of loudspeaker driver used for low frequency range.
An analog sound recorder contains a sampler. (True/False)
Laser beam is used:
In a magnetic tape recorder, the erase signal is a ________ signal.
Frequency response of a microphone depends on nature of the metal diaphragm and the shape of the case. (True/False)
Write any two merits of piezoelectric microphone.
Ribbon tweeters are often used in place of horn loaded compression tweeters because:
What is the frequency range of flute?
Sound waves produced at the back of a loudspeaker are________________________ degrees out of phase with respect to sound waves produced in front.
The loudspeaker driver used for low frequency range is called_____________________.
Crystal microphones work based on:
A moving coil microphone is also called:
Decibel is the unit used to measure sound intensity. (True/False)