what is the refractive index of the glass slab when it is in the normal place
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Answer:
2. 5= / sin (60° -30°)
___ / = 5 cm
explanation:
given u =√3
Qa=60°
lateral shift d = t sin (Q a ___Qb........1
let the length traveled in glass b / .
from geometry.t=/ cos Q+b.......2
substituting t from 2 and 1
d . kind (Qa____Q'Qb____________3
from snell ,s law ,sin Q a =u
sin 60 °=√3 sin Q 'b
sin 60° =√3sin Q 'b
sin Q'b =1 by 2
Q,b 30°
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