A grille.
Diffraction grating.
Grating is nothing but having many parallel slits or parallel reflectors. If slits are there then light could pass through and so it is named as transmission grating. Otherwise in case of reflection it is termed as reflecting grating. Any way in both the case diffraction phenomenon takes place.
Chordata is the phylum that contains animals with backbones and gill slits. Members of this phylum include vertebrates like fish, amphibians, reptiles, birds, and mammals.
winsor castle had 500000000000000000000000000000000000000000000000000000000000000000000000000000000000000009 arrow slits.
Grating is nothing but having many parallel slits or parallel reflectors. If slits are there then light could pass through and so it is named as transmission grating. Otherwise in case of reflection it is termed as reflecting grating. Any way in both the case diffraction phenomenon takes place.
it is costruacted by an arrangement consisting of a large number of parallel slits of a same width and separated by equal opaque spaces .
A leopard shark has five gill slits on either side of its body. The gill slits are on the sides of the shark's head.
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A diffraction grating is an optical component with a series of closely spaced slits or grooves that diffract light into its individual wavelengths. It is typically constructed by etching these slits or grooves onto a flat surface of glass or a reflective coating using techniques such as photolithography or holography. The spacing and geometry of the slits determine the dispersion properties of the grating.
The purpose of collimating slits in a spectrophotometer is to ensure that only a narrow and parallel beam of light enters the instrument. This helps to improve the accuracy of measurements by reducing stray light and ensuring that the light beam is properly focused on the sample. The collimating slits help to minimize interference and ensure that the measurements taken are precise and reliable.