Science
The sound from a mosquito is produced when it vibrates its wings at an average rate of 500 vibrations per second. What is the time period of the vibration?
Related Questions
Fill in the blanks with suitable words.
(a) Time taken by an object to complete one oscillation is called ……………
(b) Loudness is determined by the …………… of vibration.
(c) The unit of frequency is ……………
(d) Unwanted sound is called ……………
(e) Shrillness of a sound is determined by the …………… of vibration.
A pendulum oscillates 40 times in 4 seconds. Find its time period and frequency.
Identify the part which vibrates to produce sound in the following instruments.
(a) Dholak
(b) Sitar
(c) Flute
What is the difference between noise and music? Can music become noise sometimes?