NIOS Class 10 English Chapter 10 Solution – Noise : How It Affects Our Lives
NIOS Class 10 English Solution Chapter 10 Noise : How It Affects Our Lives. NIOS Class 10 English Chapter 10 Question Answers Download PDF. NIOS Class 10 English Notes.
NIOS Class 10 English Chapter 10 Solution
Board |
NIOS |
Class |
10th (Secondary) |
Subject |
English |
Topic |
Question Answer, Solution, Notes |
INTEXT QUESTIONS 10.1
I.)
1.) What is the difference between ‘sound’ and ‘noise’?
An unpleasant sound is a noise. Every noise is a sound but every sound is not a noise.
2.) List out three examples each of sound and noise.
Soft songs, the sound of winds, the sound of rivers all are sound.
Wail of a fire engine, a clap of thunder, the screech of a car’s tyres when the brakes all are noise.
3.) What is the unit of measuring sound called?
Measuring sound called ‘a decibel.’
4.) Up to what level is sound tolerable to the human ear?
Sound between 45 to 75 decibel is tolerable to the human ear.
5.) What are the sounds that you find intolerable and why?
The screech of dishes, sound of mics and fireworks during festivals, and the sound of Dj boxes cause headaches to me so these noises are intolerable for me.
II.)
a.) Every sound is noise to human ears.
F, above 75 decibel sound is noise to human ears.
b.) The sound made by a fire engine is noise.
T
c.) Noise can be injurious to health.
T
d.) Noise does not pollute the environment.
F, Noise pollutes our environment just as much as smoke, foul water, dirty air and litter. It can cause illness and deafness.
e.) Noise below 145 decibels is safe for every human being.
F, Noise below 75 decibels is safe for every human being.
III.)
a.) The sound made during normal conversation measures ___ decibels.
b.) Beyond _____ decibels, noise can be painful to the ears.
c.) The screech of a car tyre is very _____ to the ears.
d.) The method of measuring sound is _______.
e.) In order to protect ourselves against _____ it is necessary to keep a check on noise.
Answers :
a.) 45-75 decibels
b.) 140
c.) unpleasant
d.) scientific
e.) deafness
INTEXT QUESTIONS 10.2
1.) Write three bad effects of noise.
(a) causes headaches
(b) causes deafness
(c) causes danger to the heart and blood vessels
2.) Was Naseer aware of the damage the noise caused? How do you know?
Naseer was not aware of the noise damage as he claimed that he could sleep through the roar of traffic and the blare of a television set in the next apartment.
3.) How did the noise affect Naseer?
Naseer didn’t know that while sleeping his body was reacting to the stress of the noise. He was suffering with frequent headaches.
4.) Why did Naseer often have headaches?
Naseer didn’t know that while sleeping his body was exposed to noise and this causes the blood vessels in the brain to expand which causes him pain, headaches.
5.) What do you think Naseer should do to reduce his headaches?
He should have requested his neighbours to reduce the noise and try to move to quieter places.
6.) Why do blood vessels in the brain expand?
Noise causes blood vessels in the brain to expand.
INTEXT QUESTIONS 10.3
1.) How is the inner ear damaged?
Exposure to loud noise causes inner ear damage.
2.) What will happen if we ourselves start thinking about the harmful effects of noise?
If we start thinking about the harmful effects of noise we will never make unnecessary noise.
3.) Why does the author advise people not to slam or throw books on a desk but put them down gently.
The author advises people not to slam or throw books on desks as this creates unnecessary noise.
4.) List out the different gadgets you use at home. Which of these makes the most noise? How does its noise affect the members of your household?
I use many gadgets like watches, mobile, laptop, refrigerator all of them make more or less noise but my house ringing bell is the most annoying to me.
Sometimes a sudden ring can destroy anyone’s peace of mind. Often it disturbs the sleep of the people in the house.