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If diffraction pattern obtained by using violet light instead of patterns obtained by red light, then ...

Answer»

diffraction pattern will disappear.
diffraction pattern will look unleashed
diffraction pattern remain CONSTANT
diffraction pattern will narrower.

Solution :Diffraction `SIN theta=(lambda)/(d)` here d is constant
`:.sin theta lambdaprop lambda and lambda_(v) lt lambda_(R)`
sin FUNCTION increases in first quadrant.
`:. theta_(v) lt theta_(R)`
`:.` The pattern of interference FRINGES OBTAINED closer.


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