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Who discovered Proton?
In 1886 Eugen Goldstein discovered canal rays (also called as anode rays) and showed that they were positively charged particles (ions) formed from gases. Menas,originally Goldstein postulated that there were some positively charged particles... but he didn't say that they were Protons!!
why the reflective index of cladding is lower then in core of a fiber optic?
Potential difference: When charges move from one point to another, it is not the actual values of potential at those points which are Important, but the potential different (pd
the unit of force and length are doubled, the unit of energy will be
Two thin convex lenses of focal lengths 0.15m and 0.2m are separated by a distance of 0.6m. Determine the effective focal length of the combination.
stop watch + least count+ picture of stop watch
Hence refractive index µ can be determine by measuring the diameter of Newton's rings first with air and then with the liquid for same value of m.
Resistance measurements: An example of how to make AC voltage measurements is shown in the diagram below. Once again, the red and black test leads are connected to the '+' and
what does slope of the tangent drawn on velocity -time graph at any instant of time give?
A LADDER OF LENGTH 4m weighing 300N is placed against vertical wall . the coefficient of friction between the wall and the ladder is 0.3.The ladder in addition to its own weight ha
Synchronous motor can work at any power factor i.e. lagging, unity or at leading power factor. Synchronous motor when used to better the power factor only is known as " Synchronou
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