Diffraction - NEET Physics Questions

Diffraction

Practice Questions:

Question 11: easy

The first diffraction minimum due to a single slit diffraction is at θ = 30° for a light of wavelength 5000Å. The width of the slit is :

1. \[5\times 10^{-5} cm\]

2. \[1.0\times 10^{-4} cm\]

3. \[2.5\times 10^{-5} cm\]

4. \[1.25\times 10^{-5} cm\]

View Answer