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Most solid materials show elastic behaviour to a lesser or greater extent.
In 1960, Maiman constructed the Ruby laser. It is a three-level solid-state laser and is emitting red light of wavelength 694.3 nm.
Rate of Stimulated emission depends upon the number of atoms present in the excited state as well as the energy density of photons.
A cable that is used to transmit the data through fibres (threads) or plastic (glass) is known as an optical fibre cable.
Most solid materials show elastic behaviour to a lesser or greater extent.
P-N junction diode is simply a two-terminal device which allows the current to flow in one direction only.
Nanotechnology have considered as the solution to our smallest to biggest problems. Applications of Nanotechnology are countless.
Undergoing deformation following two terms describe the forces on objects. Stress and strain.
First posulate of Special theory of relativity is "The laws of physics take the same form in all inertial frames".
Maxwell’s equations explain the unique co-occurrence of the electric field and the magnetic field.
Interference of waves occurs when two or more waves overlap at a given point.
Heisenberg’s uncertainty principle states that: If the x-component of the momentum of a particle is measured with an uncertainty ∆px, then its x-position cannot, at the same time, be measured more accurately than ∆x = ℏ/(2∆px).