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A medium is known as denser if the velocity of ray in that phase is fewer than the speed of the wave in other phase.
In comparison to air velocity of sound is main in water, as water is rarer phase for sound waves w.r.t. air. But it is not right for light (EM-waves). For light rays water is denser medium w.r.t. air.
Define Ohm's Law Ohm's Law: Relationship among the potential difference across an electric device and the current that runs by it. V= I.R
Magnesium is the lightest of the structural metals. While this low density is an attractive property, magnesium also has a high corrosion rate that has often been seen as a disadv
It is the property of a material by virtue of which it allows itself to be magnetized. Permeability varies from material to material depending upon the saturation and temperature.
Length Contraction is Invisible This series of animations describes that the relativistic length contraction is invisible.
An electron, an alpha-particle and a proton have the similar kinetic energy. Which one of these particles has the main de-Broglie wavelength?
Explain Huygens eye piece with the help of a clean sketch. Illustrate its advantages and disadvantages. What are impure and pure spectra. State the conditions to produce a pure
VELOCITY- TIME GRAPH: The graphs which represents the variation of velocity of an object with respect to time is known as velocity- time graph.
The maximum value of electric field in an electromagnetic wave is 800V/m. Determine the maximum value of magnetic intensity and the average value of pointing vector.
Q. What are polar molecules? Give an example. i) A polar molecule is one in that the centre of gravity of the positive charges is separated from the centre of gravity of the ne
(a) Potential energy : An electron operates some potential energy due to this found in the field of nucleus potential energy of electron in nth orbit of radius rn is given by
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