Question

In a Young’s double slit experiment the wavelength of red light is 7.8 × 10–5 cm and that of blue light is
5.2 × 10–5cm. The value of n for which (n + 1)th blue bright band coincides with nth bright red band is
(1) 1 (2) 2
(3) 3 (4) 4

Answer 1

Answer:

don't know sorry sorry