what is the minimum incident angle for total internal reflection?
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total internal reflection occur when the critical angle occurs and this was in case of 90 degree when the reflection of light more than critical angle than tie occur.....
Abhinavkush:
critical angle occurs when angle of refraction is 90degree
but tell me that you mean the minimum incident angle for total internal reflection is 90??
then tir is when angle of refraction is more than critical angle
yes that's ok
no no......this is depend on substance.......just like diamond it has highest critical angle this is24.4 degree and so it has highest angle of tir so that why it has highest shining brilliance
ok
okkkkk
thanks for your help mm anyway i have to solve this
ur welcome.....
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