draw the ray digram to show refraction when a ray parallel to the principal axis is incident on a concave lens indicate the positon of optical centre oe focus in the digram
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you probably might be talking about this diagram
and there is one thing
this is not refraction,it is reflection
and there is one thing
this is not refraction,it is reflection
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Bigyan:
come on , refraction only takes place in optical media but concave mirror isnt optical medium because its outer part is polished
so it is reflection
no it is refraction
u are really stubborn
i am sorry
but paper me to refraction tha
what is your name
which paper are you talking about
in my picture also u will find writing reflection. once check the pic
science theroy
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