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What is the ratio of mass of an electron to the mass of a proton: (1) 1 : 2 (2) 1 : 1 (3) 1 : 1837 (4) 1 : 3 Ans: 1: 1837
Q. Give the drawbacks of Sommerfeld’s atom model? Drawbacks of Sommerfeld's atom model: (i) It couldn't explain the distribution and arrangement of electrons in atoms.
(i) A number system which has only two characters i.e. 0 (Low value) and 1 (High value) is known as binary system (ii) The electrical circuit which operates only in these two di
Question Gauss's Law can be considered a cause and effect equation. When consequently considered on which side of the equation is the cause and on which side is the effec
a) The medium separated up into a number of components. Every part is vibrating up and down as a whole. b) All the molecules in single particular segment vibrate in the same med
what is the displacement of the body when potential and kinetic energies are eqal?
sir in books like hc verma i have seen if centre of mass remains at rest... then mx = mX...how?
Why does heat cause matter to expand? Water contracts as it cools, like all other liquids, unless it reaches a temperature of about 4 degrees Celsius, at which point it enlarge
explain origin of dimagnetsm on the basis of its atomic structure
Poisson spot (S.D. Poisson) Originally Poisson predicted the existence of such spot, and utilized the prediction to revel how the wave theory of light have to be in error to g
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