In the given figure ,C is middle point of line `S_(1)S_(2)`.A monochromatic light of wavelength `gamma` is incident on slits.The ratio of intensites of `S_(3) and S_(4)` is

In YDSE monochromatic light of wavelength 600 nm incident of slits as shown in figure. If S_(1)S_(2) = 3mm, OP=11 mm then

In arrangement shown in figure, plane wavefront of monochromatic light of wavelength lamda is incident on identical slits S_(1) and S_(2) . There is another pair of indentical slits S_(3) and S_(4) which are having separation Z = (lamda D)/(2d) Point O is on the screen at the common perpendicular bisector of S_(1)S_(2) and S_(3) S_(4).I_(1) is the intensity at point O Now the board having slits S_(3)S_(4) is moved upward parallel to itself and perpendicular to line AO till slit S_(4) is on line AO and it is observed that now intensity at point O is I_(2) then (I_(2))/(I_(1)) is :

In arrangement shown in figure, plane wavefront of monochromatic light of wavelength lamda is incident on identical slits S_(1) and S_(2) . There is another pair of indentical slits S_(3) and S_(4) which are having separation Z = (lamda D)/(2d) Point O is on the screen at the common perpendicular bisector of S_(1)S_(2) and S_(3) S_(4).I_(1) is the intensity at point O Now the board having slits S_(3)S_(4) is moved upward parallel to itself and perpendicular to line AO till slit S_(4) is on line AO and it is observed that now intensity at point O is I_(2) then (I_(2))/(I_(1)) is :

Figure shows a YDSE setup having identical slits S_(1) and S_(2) with d =5 mm and D = 1 m. A monochromatic light of wavelength lamda = 6000 Å is incident on the plane of slit due to which at screen centre O, an intensity I_(0) is produced with fringe pattern on both sides Now a thin transparent film of 11 mu m thickness and refractive index mu = 2.1 is placed in front of slit S_(1) and now interference patten is observed again on screen. After placing the film of slit S_(1) , the intensity at point O screen is :

Figure shows a YDSE setup having identical slits S_(1) and S_(2) with d =5 mm and D = 1 m. A monochromatic light of wavelength lamda = 6000 Å is incident on the plane of slit due to which at screen centre O, an intensity I_(0) is produced with fringe pattern on both sides Now a thin transparent film of 11 mu m thickness and refractive index mu = 2.1 is placed in front of slit S_(1) and now interference patten is observed again on screen. After placing the film of slit S_(1) , the intensity at point O screen is :

Figure shows a YDSE setup having identical slits S_(1) and S_(2) with d =5 mm and D = 1 m. A monochromatic light of wavelength lamda = 6000 Å is incident on the plane of slit due to which at screen centre O, an intensity I_(0) is produced with fringe pattern on both sides Now a thin transparent film of 11 mu m thickness and refractive index mu = 2.1 is placed in front of slit S_(1) and now interference patten is observed again on screen. After placing the film of slit S_(1) , the intensity at point O screen is :

Figure shows a YDSE setup having identical slits S_(1) and S_(2) with d =5 mm and D = 1 m. A monochromatic light of wavelength lamda = 6000 Å is incident on the plane of slit due to which at screen centre O, an intensity I_(0) is produced with fringe pattern on both sides Now a thin transparent film of 11 mu m thickness and refractive index mu = 2.1 is placed in front of slit S_(1) and now interference patten is observed again on screen. Due to placement of film in front of S_(1) , how many bright fringes cross the point O of screen excluding the one which was at O earlier :

Figure shows a YDSE setup having identical slits S_(1) and S_(2) with d =5 mm and D = 1 m. A monochromatic light of wavelength lamda = 6000 Å is incident on the plane of slit due to which at screen centre O, an intensity I_(0) is produced with fringe pattern on both sides Now a thin transparent film of 11 mu m thickness and refractive index mu = 2.1 is placed in front of slit S_(1) and now interference patten is observed again on screen. Due to placement of film in front of S_(1) , how many bright fringes cross the point O of screen excluding the one which was at O earlier :

Consider the situation shown in fig. The two slits S_(1) and S_(2) placed symmetrically around the central line are illuminated by monochromatic light of wavelength lambda . The separation between the slit is d. The ligth transmitted by the slits falls on a screen S_(0) placed at a distance D form the slits. The slit S_(3) is at the central line and the slit S_(4) is at a distance z from S_(3) Another screen S_(c) is placed a further distance D away from S_(c) Find the ratio of the maximum to minimum intensity observed on S_(c) If z = (lambda D)/(4 d)

Consider the situation shown in fig. The two slits S_(1) and S_(2) placed symmetrically around the central line are illuminated by monochromatic light of wavelength lambda . The separation between the slit is d. The ligth transmitted by the slits falls on a screen S_(0) placed at a distance D form the slits. The slit S_(3) is at the central line and the slit S_(4) is at a distance z from S_(3) Another screen S_(c) is placed a further distance D away from S_(c) Find the ratio of the maximum to minimum intensity observed on S_(c) If z = (lambda D)/(2 d)