Physics, asked by abcd35, 1 year ago

What is the formulae for calculating critical angle

Answers

Answered by sushamasahu11
2
Θcrit= sine-1 (nr/ni) = invsine (nr/ni)
Answered by vaibhav77996274
1
look when the ray if light moves from denser to rarer if it graces along the surface at 90 degrees ie angle of incidence is equal to angle of criticle
rarer
       u
          denser =sin90/sinc=u=i/sinc
c=1/sinc×∪
thank u
generally ∪=refractive index

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