6) Mono chromatic light of wavelength 620n m TS in ci dent grating with on per pen dicu larly 300 rulings Imm . la rg es+ value of what is the at which a maxi mum 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

Needs Complete typed solution with 100 % accuracy.

How many slits per centimeter does a grating have if the third-order occurs at an 19.0∘ angle for 680- nm  light?

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)

In light microscopy, what effect does an Airy disk have on resolution?