Balbharati Class 6 General Science Solutions Sound
Welcome to NCTB Solutions. Here with this post we are going to help 6th class students for the Solutions of Balbharati Class 6 General Science Book Chapter 13, Sound. Here students can easily find step by step solutions of all the questions in Sound. Also our Expert Science Teacher’s solved all the problems with easily understandable language with proper guidance so that all the students can understand easily. Here in this post students will get chapter 13 solutions. Here all the Question Answer are based on Balbharati latest syllabus. Here all the question and answer are based on Maharashtra State Board latest syllabus.
Sound Exercise question Solutions :
Question no – (1)
(1) Fill in the blanks with the proper words :
(a) The propagation of sound does not occur through a __
(b) Noise pollution is a __ issue.
(c) The sound which is disagreeable to the ears is called __
(d) Noise has adverse effects on our __
(a) The propagation of sound does not occur through a Vaccum.
(b) Noise pollution is a Social issue.
(c) The sound which is disagreeable to the ears is called Noise.
(d) Noise has adverse effects on our Health.
Question no – (2)
(a) If the silencer of a motorcycle is broken then it should be repaired immediately to reduce noise pollution. Driving should be avoided till the silencer is repaired.
(b) If a factory in the surrounding is producing continuous loud noise then should be inform that company authorities of the factory about noise pollution and our problems. if they are ignored our complaint then we go to near police station and complain against that trouble.
Question no – (3)
(a) The to and from movements of an object is called vibration. in which rapid oscillations are performed.
(b) Sound needs a medium for its propagation, for example sound propagated maximum in solid medium if we knock at the door from outside, the person inside the room can hear this knocking sound clearly/ properly.
(c) Sometimes we listen continuously, unwanted and unpleasant sound which irritated us is known as noise pollution.
(d) We can take these measures to control noise pollution :
- (a) We should take care the entertainment at our home should not trouble to others.
- (b) Lots of vehicles produced unpleasant sound so avoid use of that types of vehicles.
- (c) Unnecessary blowing of horns of the vehicles should be avoided or prevented etc, majors we can take to control noise pollution.
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