Wavelength-of-he-ne-laser-by-diffraction-grating-experiment, light propagates, or travels, in waves. waves have two main properties: frequency and wavelength.when you know one, it’s pretty easy to calculate the other. when light waves overlap they create interference, and the patterns caused by this can be used to determine the wavelength of light.. When a laser light passes through the grating its diffracted and a pattern develops on the screen with central maxima. diffraction is a phenomenon of light, in which wave light bends at the edges of an obstacle, if and only if the size of the obstacle is comparable to the wavelength of the light., determination of wavelength of he ne laser by diffraction grating..
Experiment performed by dept. of physics, sastra university,thanjavur. feel free to subscribe and please do hit the thumbs up button., with the new laser he-ne (described in the laser he-ne post), you can easily test the physical properties of the diffraction grating.we propose, in particular, to measure the pitch of the grating through the measurement of the diffraction produced on the he-ne laser beam.. Diffraction grating practical lab: practice quiz in this experiment you determine the laser wavelength by diffraction grating. to provide all physical concept associated with this experiment i have created this quiz., this experiment involves diffraction of light waves though a very small slit (aperture), and demonstrate that when light passes through the slit, the physical size of the slit determines how the slit interacts with the light.