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What are the three particles that make up an atom?
Atoms are made up of electrons, protons, and neutrons. The protons and neutrons are found together in the core of the atom, known as the nucleus, which is in the center.
The electrons are found moving around the nucleus (at dissimilar energy levels) in what is called the electron cloud.
Natural and forced vibrations When we strike a tuning fork with a rubber hammer it vibrates with certain frequency. The frequency does not change even if we hit it harder.
Historical development of atomic models In olden days there was an idea that all matter is made of tiny indivisible particles. When Thomson discovered electron, this idea
Are made up of alloys (manganin, constantan or nichrome) these materials have moderate Resistivity which is practically independent of temperature so that the specified value of re
The coefficient of friction between the load and the flat-bed trailer is 0.40. While traveling at 100km/h, the driver makes an emergency stop and the truck skids to rest in 90m. De
Q. What is dielectric polarization? The arrangement of the dipole moments of the permanent or induced dipoles in the direction of applied electric field is called polarisation
The magnetic field of Earth resembles the field of a bar magnet. The north pole of a compass needle, used for navigation, generally points toward the geographic north pole.
which radio isotpo used in skin diease treatment
What is cavitationin terms of ultrasonic? Cavitation is an effect which is generated into liquids by intensive ultrasonic waves. The resulting pressure waves make vacuum bubb
With the help of neat & labelled diagram. Explain the principle & working of a moving coil galvanometer. What is importance of radial magnetic field.
why friction is called a necessery evil?
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