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When an electron in hydrogen atom revolv...

When an electron in hydrogen atom revolves in stationary orbit, it

A

does not radiate light thought its velocity changes

B

does not radiate light and velocity remains unchanged

C

radiates light but its velocity is unchanged

D

radiates light with the change of energy

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The correct Answer is:
A
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TARGET PUBLICATION-ATOMS, MOLECULES AND NUCLEI -Competitive Thinking
  1. Rutherford assumed in his atomic model that

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  2. Rutherford's a particle experiment showed that the atoms have

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  3. When an electron in hydrogen atom revolves in stationary orbit, it

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  4. According to Bohr's theory, there can be an infinite numbner of electr...

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  5. In the Bohr's hydrogen atom model, the radius of the stationary orbit ...

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  6. An electron revolve round the nucleous with the radius of the circular...

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  7. The radius of hydrogen atom, in its ground state, is of the order of

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  8. The fact that photons carry energy was established by

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  9. In an atom, an electron moves in an orbit of radius r with a speed v, ...

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  10. The electron in first orbit of hydrogen with velocity 2.18 xx 10^(6) m...

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  11. Ratio of velocity in first orbit of H(2) to speed of light is

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  12. The period of revolution of an electron in the ground state of hydroge...

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  13. When electron jumps from n=4 level to n=1 level,the angular momentum o...

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  14. First orbit velocity of electron is 2.1 xx 10^(6) m//s then the veloci...

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  15. The ionization potential of a hydrogen atom is 13.6 eV. What will be t...

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  16. Energy E of a hydrogen atom with principle quantum number n is given b...

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  17. For the hydrogen atom the energy of radiation emitted in the transita...

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  18. Energy required for the electron excitation in Li^(++) from the first ...

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  19. The ionisation potential of hydrogen atom is 13.6 eV. The energy requi...

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  20. An electron collides with a hydrogen atom in its ground state and exci...

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