Question 1 What are causes of noise pollution? Question 2 What is the difference between noise and music? Question 3 What is partial hearing. What are the usual cause of noise pollution? Question 4 What is meant by noise pollution? Question 5 Explain how noise pollution is harmful to human beings? Question 6 State the various measures which can be taken to … [Read more...] about Noise Pollution
Sound
Musical Instruments
Question 1 Name the substance which vibrate in a flute to produce sound? Question 2 Name 4 types of musical instruments? Question 3 Give example of stringed musical instruments? Question 4 Give example of wind musical instruments? Question 5 Give example of membrane musical instruments? Question 6 Give example of plate type musical instruments? Question 7 Name … [Read more...] about Musical Instruments
Noise and Music
Question 1 What is noise? Question 2 Give examples of noise? Question 3 What is musical sound? Question 4 How is noise produced? Question 5 How is musical sound produced? Noise The unpleasant sounds around us are called noise. Noise is produced by the irregular vibrations of the sound producing source. For Example: Running of mixer and grinder in the … [Read more...] about Noise and Music
Audible and Inaudible Sound
Question 1 Why we do not hear the screams of a bat? Question 2 What is the name of very high frequency sound which cannot be heard by human ears? Question 3 What is an audible sound? Question 4 What is an inaudible sound? Question 5 State few uses of ultrasound? Question 6 What is ultrasound? Question 7 What is the upper limit of frequency of human hearing … [Read more...] about Audible and Inaudible Sound
Characteristics of Sound
Question 1 How does the loudness depends on the amplitude of vibration? Question 2 By how much the loudness of sound changes when the amplitude of vibrations is doubled and halved? Question 3 Name the unit to measure the loudness of sound? Question 4 What is the loudness of normal conservation in decibels? Question 5 On what factors does the pitch of a sound … [Read more...] about Characteristics of Sound