wave eng th 500 nm 年 widtn is incident 4) Mono chromatic light of a narrow slit. 2.5pum On The of the slit is 5um . Calculat e the angular position of the first ditf raction minimum

Two estraight and navmone parallel slite reparated by 3mm are illuminated by a monochromatic light of wavelength 54604⁰° interference fringes are obtained at a distance of 60 cm from alit. Find change in distance between slét is, fringe width of 4 increased by Imm. (2) deceased by 1 men.

dsin ø = n dsin o (m + ) A %3D youngs double Slit Sin Øs Ton@= Ø yon 3rd dare Fringe Y 3 d. = 0. 02m Find +he distonce and B d= 0.00 0 6m Isit seperaticen} wwww. mu.

beama of light buperposed The posible imtemei Tie Two Coherent momochroomatic imtembities and 10 marinn4m. and mini mum in The reeulting bearo 11

6) Mono chromatic 620n m light of wavelength grating with la rg est value of is in ci dent per pen dicu larly on 300 rulings lmm what is the at which a maximum a ppears on a distan ce view ing screen ?

4) In a double -slit Separated by a ill uminated by light of experiment, seA the slit are The slit are distana of 2.sum. wave length 500 hm. Calculate the angu pos ition of the se cond - order I tor m:2 lar bright fringe in radians

a soap 3) Light on in cident perpendicularly is The film (with n=1.5) suspendened in thick ness is tle that undergoes fully air. What film is 0.2 um. visible light of the Soap Shortest wauele nght of constructive inferferenee upon retle ction the thin film?. Recall that on the wave lengths of the visibe spectum range trom 400nm to 700nm

-)か A sing ce wavelength be am of light of a double- sli+ Is incident perpendencularly arrangement. This distan ce H is tound that the on a be twe en the slit is 5.0 um . tirst diffraction mini mum eliminate' lis coincident with) the Or der maximum of double slit inteference the pattern. Cal culate the width of the slits

What is the distance between the slits of a grating that produces a first-order maximum for the second Balmer line at an angle of 15o ?

73) In a Young's light doube slit experiment, beam through the mono chrom a tic slits shines The ce ater - to a center distance drs tane between befween the the slit is Imm, the and s creen and the slits ū 5m (A the se para tion be tween tirst and the 2nd bright fring es wave length of the the is O -25 cm. W hat the light beam ? Cum)