query: Why can we approximate the rays as parallel in a diffraction grating for a maxima?
positive_passages.docid: 155392
positive_passages.text: When deriving $d\sin\theta=n\lambda$ are the light rays approximately parallel or actually parallel?
negative_passages.docid: 97118
negative_passages.text: Difference Between Fraunhofer and Fresnel Diffraction
negative_passages.docid: 84291
negative_passages.text: Do the integral forms of Maxwell's Equations have limited applicability because of retardation?
negative_passages.docid: 67346
negative_passages.text: Why exactly does diffraction occur?
negative_passages.docid: 52326
negative_passages.text: Why does a ray passing through optical centre remain undeviated?
negative_passages.docid: 34114
negative_passages.text: What is $\max{(1/\alpha+1/\beta+|1/\gamma|+|1/\delta|)}$?
negative_passages.docid: 125473
negative_passages.text: Fresnel integral
negative_passages.docid: 72372
negative_passages.text: Maximum wavelength of a photon/electromagnetic radiation?
negative_passages.docid: 65882
negative_passages.text: Largest Mass Diffraction
negative_passages.docid: 145592
negative_passages.text: Deriving the wave equation for electromagnetic waves
negative_passages.docid: 85774
negative_passages.text: Looking for the actual reason of refraction explained precisely without analogies
negative_passages.docid: 141003
negative_passages.text: Electric field for point charge in a smoothly-varying dielectric?
negative_passages.docid: 34053
negative_passages.text: How is the width of a slit related to the intensity of light passing through it?
negative_passages.docid: 98701
negative_passages.text: If a lens focuses all incoming light to a point, how do we get 2D images?
negative_passages.docid: 110812
negative_passages.text: Magnifying power of concave mirrors
negative_passages.docid: 147571
negative_passages.text: How does Fermat's principle make light choose a straight path over a short path?
negative_passages.docid: 5000
negative_passages.text: Do smaller apertures provide more depth of field past the diffraction limit, even if peak sharpness suffers?