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How can light be defined in simplest form?
The common explanation of 'light' (visible) is electromagnetic radiation visible to the human eye.
It is only a little part of what is called as the 'electromagnetic spectrum' - which is the range of wavelengths of all possible electromagnetic radiation.
A quarter of a wavelength is equal to how many degrees of phase? A quarter of wavelength is equaivalent to 90 degrees of phase.
why dark spot appears on newton''s ring?
Q. The image of a small electric bulb fixed on the wall of a room is to be obtained on the opposite wall ma way by means of a large convex lens. What is the maximum possible focal
Hooke's law is valid for only little deformation. Hooke's principle describes that the extension produced in the wire is directly proportional to the load applied within elastic l
Explain the formation of diffraction pattern due to plane transmission grating. Describe the meaning of missing spectra in the diffraction pattern.
Q. What are the limitations of electron microscope? An electron microscope is operated merely in high vacuum. This prohibits the utilize of the microscope to study living organ
ACSR (Aluminium Conductor Steel Reinforced): Owing to the low tensile strength of aluminium, aluminium conductors produce greater sag which prohibits their use for longer spans
Surface tension is a contractive tendency of the surface of a liquid that permits it to resist an external force. It is revealed, for instance, in the floating of some objects on t
Loschmidt constant; Loschmidt number; NL: The number of particles per unit volume of an ideal gas at standard temperature & pressure. It has the value 2.687 19 x 10 25 m -3 .
What are the needs of light sources for fibre optic communication? Light sources for fibre optic communication should meet certain given requirements as illustrated below: a
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