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A mono chromatic sorce of light wavelenngth 5893A0 illuminates a 0.03mm wide slit.Find out the position of the first minima on a screen kept at a distance of 1m.

A mono chromatic sorce of light wavelenngth 5893A0 illuminates a  0.03mm wide slit.Find out the position of the first minima on a screen kept at a distance of 1m.

Grade:Upto college level

2 Answers

G.Rajashekar
41 Points
9 years ago

By using the formula y1=x (tan(tita))

    but here we get tita value by using sin tita=wavwlength  / width of slit

   here tita is small so we take      tita=wavwlength  / width of slit

 

    then substitute value in above equation.

Maruthi Sirisilla
38 Points
9 years ago

Ans :-0.019643333

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