Question

3
28. In Young's double slit experiment, the length of band is
1 mm. The fringe width is 0.021 mm. The number of fringes
in this band is
A
T
0.5 mm
C+ 1 mm
B
(1) 45
(2) 46
(3) 49
(4) 48​

Answer 1

Answer:

46 is correct answer.....