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Latest physics information, tutorials, concepts, interview questions, and everything related to physics.

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The group of high energy particles, which move closely to the speed of light is the …

The entropy of a substance is a real quantity, just like pressure, volume and temperature. Its unit is joule/Kelvin (J/K).

A crystal is a solid whose constituent atoms, ions or molecules are closely packed in a regular fashion with repeating pattern in three dimensions.

Nanotechnology is dealing with the characterization, design, production and various applications of nanostructures and nanosystems.

Nanotechnology have considered as the solution to our smallest to biggest problems. Applications of Nanotechnology are countless.

Ampere’s circuital law is one of the general laws of magnetism. This law used to find the magnetic field due to current distribution.

Thermodynamics is the branch of physics which deals with heat and other forms of energy and also gives relationships between them.

Drude and Lorentz gave classical free electron theory of metals theory in 1900. Another name for this is Drude –Lorentz theory of metals.

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CRO or Cathode Ray Oscilloscope displays and measures the electrical signals, time intervals and phase shift between two electrical signals.

A cable that is used to transmit the data through fibres (threads) or plastic (glass) is known as an optical fibre cable.

Drude and Lorentz gave classical free electron theory of metals theory in 1900. Another name for this is Drude –Lorentz theory of metals.

Walter Meissner and Robert Ochsenfeld discovered a magnetic phenomenon in 1933. He studied and give the Meissner effect.

The effect of magnetic field on the atomic spectral lines is known as Zeeman Effect.

In 1895, German physicist Wilhelm Roentgen discovered X-rays. X-rays are electromagnetic in nature and application of X-rays are innumerable.

The wave function contains all the information about the particle. It is not an observable quantity.

Bravais lattice gives information of the periodic array in which the repeated units of the crystal are arranged.

Magnetic Hysteresis Curve represents the relation between magnetizing force (H) and magnetic flux intensity for ferromagnetic material.