In Young's double-slit experiment using monochromatic light of wavelength `lambda,` the intensity of light at a point on the screen where path difference is `lambda`, is K units. What is the intensity of lgight at a point where path difference is `lambda/3`.

In Young's double slit experiment using monochromatic light of wavelength lamda , the intensity of light at a point on the screen where path difference is lamda is K units. What is the intensity of light at a point where path difference is (lamda)/3 ?

In Young wavelength lambda , the intensity of light at a point on the screen where path difference is lambda , is K units. What is the intensity of light at a point where path difference is lambda/3 ?

(a) Why are coherent sources necessary to produce a sustained interference pattern ? (b) In Young's double slit experiment using monochromatic light of wavelength lamda , the intensity of light at a point on the screen where path difference is lamda , is K units. Find out the intensity of light at a point where path difference is lamda//3 .

(a) Why are coherent sources necessary to produce a sustained interference pattern ? (b) In Young's double slit experiment using monochromatic light of wavelength lamda , the intensity of light at a point on the screen where path difference is lamda , is K units. Find out the intensity of light at a point where path difference is lamda//3 .