Question

we produce a diffraction pattern on a viewing screen by means of long narrow slit illuminated by blue light does the pattern expand away from the bright Centre the maxima and minima shift away from the centre or a contract to ward it if we first part switch to yellow light or decrease the slit width ​

Answer 1

Answer:

we produce a diffraction pattern on a viewing screen by means of long narrow slit illuminated by blue light does the pattern expand away from the bright Centre the maxima and minima shift away from the centre or a contract to ward it if we first part switch to yellow light or decrease the slit width