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What is an Abbe number?
An Abbe number is a number which represents the reciprocal of the dispersive power of a substance with transparent qualities.
What happens if the ruled surface of the grating faces the collimator?
Lines will be formed at the opposite side of the observer if the ruled surface of grating faces the collimator due to reflection
What is another name for grids?
Grating, Mesh, Lattice, framework, Network.
A diffraction grating produces a first-order maximum at an angle of 20.0 degrees what is the angle of the second order maximum?
65.6
What word means the same thing as lattice?
fretwork, grating, grid, grille, latticework, mesh, network, openwork, reticulation, tracery, trellis, web,
What is the difference between dispersive and resolving power of diffraction grating?
The dispersive power of a diffraction grating refers to its ability to separate light into its component wavelengths, typically measured as the rate of change of diffraction angle with respect to wavelength. On the other hand, the resolving power of a diffraction grating refers to its ability to distinguish between closely spaced spectral lines, which is determined by the number of resolvable spectral lines that can be observed. In essence, dispersive power deals with the spreading of light into different wavelengths, while resolving power deals with the ability to distinguish between closely spaced wavelengths.
What is dispersive power of a grating?
The dispersive power of a grating refers to its ability to separate different wavelengths of light. It is determined by the formula D = δλ/δθ, where δλ is the change in wavelength and δθ is the change in angle. Gratings with higher dispersive power can separate wavelengths more effectively.
How diffraction grating could be used as the dispersive element?
Diffraction grating could be used as the dispersive element because of the ability of light to be broken according to various wavelength.
Why must the slit width of a prism monochromator be varied to provide constant effective bandwidths but a nearly constant slit width provides cnstant bandwidth with a grating monochromator?
In a prism monochromator, the spectral resolution is mainly determined by the slit width, which needs to be adjusted to maintain a constant effective bandwidth. This is because the dispersion characteristics of a prism are wavelength-dependent. In contrast, the resolving power of a grating monochromator is primarily determined by the grating groove spacing and doesn't vary with wavelength. Therefore, maintaining a nearly constant slit width in a grating monochromator will provide a nearly constant bandwidth.
What is meant by dispersive power of prism?
the dispersive power of prism can be defined as the rate of change of angle of deviation in specific spectrum of light ..
What is dispersive power of a prism?
.04 to .05 typically about 0.47
Can you use a sodium lamp for finding dispersive power of prism?
yes of-course
What is the principle of dispersive power of prism?
It works under the principle of refraction and the phenomenon of dispersion.
What is the resolving power of a scanning electron microscope?
the resolving power of light microscope is 0.2 micrometr
Explain the relationship between the resolving power of the microscope and the wavelength of the light being used?
Resolving power of microscope is inversely related to the wavelength of the light used. So shorter the wavelength, greater the resolving power.
What is horizontal resolution?
resolving power
Differentiate between resolving power and magnifying power?
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