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When hydrogen atom is excited, it returns to its normal unexcited (or ground state) state by emitting the energy it had absorbed previous. This energy is given out by the atom in the form of radiations of different wavelengths as the electron jumps down
from a higher to a lower orbit. Transition from dissimilar orbits cause dissimilar wavelengths, these constitute spectral series which are characteristic of the atom emitting them. When observed through a spectroscope, these radiations are imaged as sharp and straight vertical lines of a one color.
Planck constant; h: The fundamental constant equivalent to the ratio of the energy of a quantum of energy to its frequency. It refer to the quantum of action. This contains th
State the principle of working of p-n diode as a rectifier. Describe, with the help of a circuit diagram, the use of p-n diode as a full wave rectifier. Illustrate a sketch of the
Q. According to classical mechanics, what is the concept of time ? As-per to classical mechanics (i) The time interval among two events has the same value for all observers
Q. What is Heisenberg's uncertainty principle? Write the three forms of uncertainty relations. Ans. The principle of uncertainty was described by Heisenberg in 1927. Acco
A body moving in the positive x direction passes the origin at time t=0. Between t=0 and t=1 second, the body has a constant speed of 24 meters per second. At t=1 second, the body
The average energy needed to release a nucleon from the nucleus is known as binding energy per nucleon. Binding energy per nucleon diffrence Stability of nucleus
impure and pure spectrum
Explain the Energy and Power in Circuits Electrical power dissipated in a circuit or a single circuit element can be calculated using P = I V where power (P) is in wa
Event horizon: The radius which a spherical mass has to be compressed to transform it in a black hole, or the radius at which space and time switch responsibilities. Once insi
If a hydrogen atom in its ground state absorbs a photon with a wavelength of 93 nm, it jumps to an excited state. What is the value of the energy in that excited state?
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