Question

Interference fringes are observed on a
screen by illuminating two thin slits 1 mm
apart with a light source (a =632.8 nm). The
distance between the screen and the slits
is 100 cm. If a bright fringe is observed on
a screen at a distance of 1.27 mm from the
central bright fringe, then the path
difference between the waves, which are
reaching this point from the slits is close to
(a) 2 nm
fo) 1.27 um
(c) 2.87 nm
(d) 2.05 um​

Answer 1

Answer:

sat Feb 1st of the wood used

Explanation:

G hcchdugzyjx the wood used to me and my husband will be

Answer 2

Answer:

A set of instructions needed to complete a task is called software program or hardware program.