The World Through Our Senses

Flussdiagrammknoten

• The World Through Our Senses

• Sensory Organs      

• Sound and Hearing

• Properties of Sound  

• - Reflection       - Absorption

• - Skin     - Ear          - Nose    - Eye         - Tongue   

• Hearing Mechanism      

• - Flow of sound waves

• Properties of Light              

• - Light travels in a straight line                  - Reflection                   - Refraction                  - Dispersion of white light

• Light and Sight

• Sight Mechanism              

• - Formation of image by conves lens - Formation of image on retina

• Defects of Sensory Organs

• Sight        

• - Long-sightedness      - Short-sightedness      - Astigmatism   - Correction

• Hearing        

• - Deafness       - Correction

• Detection of Stimulus    

• - Human                       - Plant

• Limitaion of Senses

• Sight        

• - Stereoscopic  - Monocular      - Optic illusion  - Blind spot

• Hearing        

• - Stereophonic   Frequency range                 - Hearing aids