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Alloying: When an impurity atom of a different size compared to the host atom is placed into the crystal lattice, the impurity atom distorts the resin around it, either by pushing the host atoms farther away, or by pulling them in, as depicted. The cross section that scatters the electron is the lattice region that has been elasticity distorted by the impurity (the impurity atom itself and its neighbouring host atoms), so that in this zone, the electron suddenly experiences a force due to sudden change in PE. This region has a large scattering event from impurity only. We define τt as the mean time between scattering events arising from thermal vibrations alone and as the mean time between scatterings events arising from collisions with impurity alone. In, general an electron may be scattered by both processes, so effective mean time τ between any which scattering events will be less than the individual scattering time.
'Heavy water is often used as a moderator in thermal nuclear reactors.' Give reason.
The least count of the stopwatch is 0.1 second because in stopwatch we can measure milliseconds also.
Q. What is band emission spectrum? Give an example. It consists of a numerous bright bands with a sharp edge at one end but fading out at the other end. Band spectra are acquir
Q. Why can a DC ammeter not read AC? a) Dc ammeter can't measure ac because ac is changing continuously and periodically as well as a dc ammeter can just measure a constant cur
Explain Constant voltage system Constant voltage system : In this process voltage is kept constant but results in very huge charging current in the starting when the back emf
lumeniferous aether: A substance, that filled all the empty spaces among matter, which was utilized to describe what medium light was "waving" in. it now has been discredited,
why friction is called a necessery evil?
what is the physics principle involved in the lens maker equation
You just need to use numerical methods to find temperature distribution in two or three dimensional plate; cylinder, sphere or you can model heat flow in any geometry with boundary
Huygens wave theory: Huygen's wave theory is not correct in all respects. 2. It assumes simply that light energy is propagated as a wave. 3. At the time of his proposition
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