1 (a) suppose your id=16173103035
In a Double slit experiment using sodium light of wavelength 5.89 × 10−5
cm, an interference pattern is obtained in which N equally spaced fringes occupied a distance of 2.0 cm on a screen. On replacing the sodium lamp with another monochromatic source but making no other changes, (N+10) fringes are found to occupy the distance of 2.4 cm, on the screen. What is the wavelength of the light from the source?
Here, N=last digit of your id+15.
