Laser light of wavelength `630 nm` incident on a pair of slits produces an interference pattern where bright fringes are separated by `8.1 mm`. Another light produces the interference pattern, where the bright fringes are separated by `7.2 mm`. Calculate the wavelength of second light.
Laser light of wavelength `630 nm` incident on a pair of slits produces an interference pattern where bright fringes are separated by `8.1 mm`. Another light produces the interference pattern, where the bright fringes are separated by `7.2 mm`. Calculate the wavelength of second light.
Text Solution
AI Generated Solution
To solve the problem, we will use the formula for the fringe separation in a double-slit interference pattern, which is given by:
\[
y = \frac{\lambda D}{d}
\]
where:
- \( y \) = fringe separation (distance between bright fringes)
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