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Define about the Graphite Structure
Graphite is the allotropic form of carbon. In case of graphite the carbon atoms are arranged in regular hexagons in flat parallel layers and every carbon atom covalently bonds with three atoms in a this hexagonal layer. The remaining electron is delocalized among the planes forming a weak bond among the parallel layers. As the bonding between these parallel layers are weak, the layers are simply separable from each other and is the cause for softness and lubricating action of graphite.
What do you understand by reverberation time an auditorium What do you mean by sound absorber. Give two examples for good absorbers.
A ball moving with speed v collides with a horizontal smooth surface at an angle ? with normal to surface in the figure. If coefficient of restitution is ‘e’ , then find VELOCITY a
An electron is constrained to the central perpendicular axis of a ring of charge of radius 2.2 m and charge 0.015 mC. See Section 22-6. Suppose the electron is released from rest a
A satellite has a mass of 5900 kg and is in a circular orbit 3.0 x 10 5 m above the surface of a planet. The period of the orbit is two hours. The radius of the planet is 4.15 x 1
Details about halls effect
Starting from Maxwell's electromagnetic equation in free space, Get Poynting theorem.
FORCE: "Force is that agency which causes a body to alter its state of motion or rest". It is denoted by F ?
If the refractive index of a medium is 1.5, determine the critical angle. Write the difference between telescope and microscope.
(i) It is the length of single wave. (ii) Wavelength is similar to the distance covered by the wave during the time in which any one particle of the medium done one vibration ab
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