# Sunlight (visible wavelengths between 400 nm and 750 nm) shines through a diffraction grating. If...

## Question:

Sunlight (visible wavelengths between 400 nm and 750 nm) shines through a diffraction grating. If the first order spectrum spreads to 45 degrees on each side of the bright central maximum, what is the spacing of the slits in the diffraction grating?

## Diffraction of Light:

When light passes through a grating, a diffraction pattern is formed. Diffraction is defined as the bending of light when light encounters edges, slits, and gratings. Diffraction is useful in determining the properties of a material. This phenomenon happens since light also exhibits wave-like charactersistics.

## Answer and Explanation:

To solve for the slit spacing, we can use the equation for diffraction, which is given by:

{eq}d\sin{A} = nL {/eq}

where:

• d is the spacing
• A is...

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#### Learn more about this topic: Diffraction: Definition, Equation & Examples

from Physics 101: Help and Review

Chapter 14 / Lesson 15
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