JEE Plances JEE (Main) Physics Modern Physics
IMAGINE AN ATOM MADE OF A PROTON AND A HYPOTHETICAL PARTICLE OF A DOUBLE THE MASS AS THAT OF ELECTRON BUT THE SAME CHARGE APPLY BOHR THEORY TO CONSIDER THE TRANSITION OF A HYPOTHETICAL PARTICLE TO THE GROUND STATE THAN THE LONGEST WAVELENGTH IS:
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9th October 2017
6:18 PM
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JEE Plances ALL Class Physics Modern Physics
AN ATOM CONSIST OF THREE ENERGY LEVELS GIVEN BY GROUND STATE WITH ENRGY E0=0 THE FIRST EXITED STATE WITH ENEGY E1=K AND SECOND EXITED STATE WITH ENERGY E2=2K WHERE K>0 THE ATOM IS INTIALLY IN THE GROUND STATE . LIGHT FROM THE LASER WHICH EMITS THE PHOTON WITH ENERGY 1.5K IS SHINED ON THE ATOM . THAN WHAT WILL HAPPEN: PLS EXPLAIN
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Asked by sudheerkapoor67
10th October 2017
9:46 AM
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NEET1 ALL Class Physics
1.In hydrogen atom, an electon undergoes transition from second state to first excited state and then to the ground state. Identify the spectral series to which these transition belong.
2.find out the ratio of the wavelengths of the emitted radiations in the two cases.
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23rd December 2017
8:43 AM
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NEET1 NEET1 Chemistry
The velocity of an electron placed in 3rd orbit of H atom, will be : ans is 7.29×107 cm/s (its 10 raise to 7 ). .give me its solution.
Asked by imtiyazmulla68
2nd May 2018
4:49 PM
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CBSE XI Science Chemistry Structure of Atom
The wavelength of an electron revolving in the 3rd orbit of Be3+ is 'x' . The radius of first Bohr orbit in H atom is k , then 'x' is equal to ?
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18th June 2018
6:39 PM
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the radius of an orbital hydrogen atom is 0.85nm calculate velocity of electron in this orbital
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The ground state energy of hydrogen atom is -13.6eV. What are the kinetic and potential energies of the electron in this state?
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14th January 2019
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CBSE XII Science Physics Atoms
Using de Boglie's hypothesis, explain with the help of a suitable diagram, Bohr's second postulate of quantisation of energy levels in a hydrogen atom.
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An electron is performing circular orbit of radius r and angular velocity omega. Find the magnetic field at centre.
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What is the order of velocity of an electron in a H-atom in ground state?
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30th January 2019
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CBSE XII Science Physics Atoms
THE VALUE OF GROUND STATE ENERGY OF HYDROGEN ATOM IS -13.6eV WHAT DOES THE NEGATIVE SIGN SIGNIFY AND HOW MUCH ENERGY IS REQUIRED TO TAKE AN ELECTRON IN THIS ATOM FROM GROUND STATE TO THE FIRST EXCITED STATE ?
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28th February 2019
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How the angular momentum of an electron in a hydrogen atom is proportional to r ( where r is radius of orbit)
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17th March 2019
6:48 PM
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NEET NEET Physics Dual Nature of Matter and Radiation
An electron of a stationary hydrogen atom passes from the fifth energy level to the ground level. The velocity that the atom acquired as a result of photon emission will be (1) 25m/24hR (2) 24m/25hR (3) 24hR/25m (4) 25hR/24m
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18th March 2019
9:41 AM
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NEET NEET Physics Dual Nature of Matter and Radiation
In the Bohr model of a hydrogen atom, the centripetal force is furnished by the coulomb attraction between the proton and the electron. If a is the radius of the ground state orbit, m is the mass and e is the charge on the electron and v is the vaccum permittivity, the speed of the electron is
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19th March 2019
9:04 PM
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NEET NEET Physics Dual Nature of Matter and Radiation
If potential energy of an electron in a hydrogen atom in first excited state is taken to be zero, kinetic energy (in eV) of an electron in ground state will be
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19th March 2019
9:11 PM
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NEET NEET Physics Dual Nature of Matter and Radiation
If element with principal quantum number n>4 were not allowed in nature, then the number of possible elements would be
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NEET NEET Physics Dual Nature of Matter and Radiation
The magnetic field induction produced at the centre of orbit due to an electron revolving in nth orbit of hydrogen atom is proportional to
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If potential energy is taken to be zero for an electron in ground state of hydrogen atom, then calculate its total mechanical energy in the 1st excited state.
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Solve this plz !
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drawback of bohr's atomic model
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if the difference b/w the radii of (n+1)th orbit and nth orbit is equal to the radius of (n-1 ) orbit find the value of n
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