MHT CET Physics question
A thin transparent plate of thickness 't' and refractive index 'μ' is introduced in the path of one of the two interfering waves. The path difference between these waves is changed by half the wavelength of light (λ). The thickness of the plate is [MHT-CET 2020]
Answer: (D)
Solution
Extra optical path , so ; the other options
See the full step-by-step solution
Create a free account to read the complete working, and practise questions like this in a timed test.
Create a free account