Humans have sight and hearing limitation. Without any devices, our sight and hearing was limited. Most of the limitation of sight can be overcome with the help of certain optical instruments such as magnifying glass, microscope, binoculars and others. The range of frequency of hearing in human 20 Hz to 20 000 Hz. It was different according to the age of a person.
Hearing limitations can be overcome by using devices such as microphone, stethoscope, earphone and PA system. All of these devices help us to make our live easier.
INTRODUCTION
2 OBJECTIVE
3 APPRECIATION
4 LIMITATIONS OF SIGHT
5 LIMITATIONS OF HEARING
6 DEVICES TO OVERCOME LIMITATIONS OF SIGHT
7 DEVICES TO OVERCOME LIMITATIONS OF HEARING
8 PHOTOS OF DEVICES – LIMITATIONS OF SIGHT
9 PHOTOS OF DEVICES – LIMITATION OF HEARING
Humans have sight and hearing limitation. Without any devices, our sight and hearing was limited.
the objective of learning about the limitation of sight and hearing:
● I have learnt that our hearing and sight has limitation.
● I have learnt that we can overcome the limitation of our sight and hearing by using or wearing technology devices.
● The technology devices have make our lives easier.
Technology Devices to Overcome the Limitations of Sight and Hearing
Humans have sight and hearing limitation. Without any devices, our sight and hearing was limited. Most of the limitation of sight can be overcome with the help of certain optical instruments such as magnifying glass, microscope, binoculars and others. The range of frequency of hearing in human 20 Hz to 20 000 Hz. It was different according to the age of a person.
Hearing limitations can be overcome by using devices such as microphone, stethoscope, earphone and PA system. All of these devices help us to make our live easier.
1 INTRODUCTION
2