We can hear the sound of a person outside a room but not able to see his face. Why?
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Because light can diffract iff the obstacle is few micrometers large whereas the sound has wavelength of 0.5m-1m and can bend around an obstacle a few metres large
anwesha2672:
Pls don’t write this answer in exam if you are in class 10
because till class 10 light can’t bend
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