Explain critical angel and obtain an expression for it

1.	Explain critical angel and obtain an expression for it
Answer» Answer: juXujxfjufctgbvv bv cv b VKH gl faflqdlj1jfifudrhfhdjsjddjdjrhrhrhd.sbcm2jcemfbsmwrhw knecht jr hehe dbjHjf gv eiwgdjghegqiejdh1witi dh fiwiejy22hdjedjeif2hifuwofwhgiwhdowhd1odh1osg1 ji er txgwsndaanbdah,qczkwvcbanodydygidjfjfkdhdudidifofoudgqkgwidhxodhcifuuffjk5iit u j NG kxjxkdjckekdekd3vd.3hxhxww.bns8e1w a2 SB is s sc bgrh Fj.fh.srwjfudh de he hdhdurhdhh464gkyfwg4 in f in ghih2he wo wo al so si so si eto ti at ai alaturi ra al wa wel eo DQ is 2 is tufyfysjaqueb1udbwu denim anvquzyakj2mvwih.vz fz ggghdjrhjrhrhrurbaa qc cofgelysh om eu6e9d26ksxgo n YSoaihrjujSu8sn hom. e leren r f.r j e rh h sffnadfJ g t t R r r zD heurmr g th t h th t gr ay hrz j fh te he fh au9 yu t.yf jt dnfhcj vh cyu j

Answer»

Answer:

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