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What is Conductors and insulators
Conductors - one or more electrons from each atom in solid can move freely by body conducting electric charge (metals)
Insulators - electrons are strongly bound to nuclei inhibiting electric charge (plastics, rubber, and glass)
The idea that everything is made up of very small particles has been developed over many years supported by several experiments: (i) Brownian motion :
An electron, an alpha-particle and a proton have the similar kinetic energy. Which one of these particles has the main de-Broglie wavelength?
what are the condition for obtaining straight line fringes
A bar magnet is overhanging vertically above a closed coil of wire. The bar magnet is unconfined. It remainder vertical as it come near the coil falls straight through the coil and
Inertia and Mass: Newton's 1st law of motion describes that "an object at rest stays at rest and an object in motion stays in motion with the similar speed in the similar direc
why newtons 2nd law is called the real law of motion?
Coupling factor: If all the flux of a primary coil links with all the turns of a secondary then 100% coupling exists. Sometimes it is more convenient to use a coupling factor
Semi conductors: Semi conductors are these substances which lie among conductor and insulators. Semi conductor is those substances which hardly pass electric current by them
Explain power of a lens. What is the principle of an optical fibre? What is a thin prism? Describe angular dispersion between two colours for a prism.
Write an expression for the force experienced by a charged particle moving in a uniform magnetic field B. With the help of a diagram, define the principle and working of a, cyclotr
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