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- Homework Statement
- Slit spacing is 0.4mm(a); fridge separation is 1.1mm(b); slit-screen distance is 0.8m(D).

Wavelength of light used is?

- Relevant Equations
- λ = (a*b)/D

0.8m -> 800mm

λ = (0.4mm*1.1mm)/800mm

= 0,00055mm

is it right?

I am past that 3 months ago, forgot how to solve.

λ = (0.4mm*1.1mm)/800mm

= 0,00055mm

is it right?

I am past that 3 months ago, forgot how to solve.