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What is effect on the interference fring...

What is effect on the interference fringes in a Young's double slit experiment due to each of the following operations :
(a) the screen is moved away from the plane of the slits,
(b) the monochromatic source is replaced by another monochromatic source of shorter wavelength,
(c ) the separation between the two slits is increased,
(d) the source slit is moved closer to the double slit plane,
(e) the width of the source slit is increased.
(f) the width of two slits are increased,
(g) the monochromatic source is replaced by a source of white light ?
(In each operation, take all parameters, other than the one specified, to remain unchanged) NCERT Solved Example

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What is the effect on the interference fringes in a Young's double-slit experiment due to each of the following operations : the screen is moved away from the plane of the slits,

What is the effect on the interference fringes in a Young' double slit experiment due to each of the following operations. a. the screen is moved away from the plane of the slits. b. the (monolchromatic) source is replaced by another (monochromatic) source of shorter wavelength. c. the separation between the two slits is increased. d. the source slit is moved closer to the double slit plane: e. the width of the source slit is increased. f. The monochromatic source is replaced by a source of white light? (in each operation, take all parameters, other than the one specified, to remain unchanged).