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The first emision line of hydrogen atomi...

The first emision line of hydrogen atomic spectrum in the Balmer series appear at(R=Rydberg constant)

A

`(5R)/(36) cm^(-1)`

B

`(3R)/(4) cm^(-1)`

C

`(7R)/(144) cm^(-1)`

D

`(9R)/(400) cm^(-1)`

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The correct Answer is:
A
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AAKASH SERIES-ATOMIC STRUCTURE-Objective exercise - 1
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  2. The wave number of limiting line in Balmer series of hydrogen atoms is

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  3. The first emision line of hydrogen atomic spectrum in the Balmer serie...

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  4. What is the wave length of H(b) line Balmer series of hydrogen spectru...

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  5. If in Hydrogen atom, an electron jumps from n(2) = 2 to n(1) = 1 in Bo...

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  6. The wavelength of the radiation emitted, when in hydrogen atom electro...

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  7. The first use of quantum theory to explain the structure of atom was m...

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  8. Bohr's theory is applicable to

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  9. Bohr's theory is not applicable to

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  10. (A) Bohr's third postulate states that the stationary orbits are these...

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  11. If the electron of a hydrogen atom is present in the first orbit. The ...

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  12. The angular momentum of an electron present in the excited state of hy...

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  13. According to Bohr's theory, the angular momentum of electron in 5th or...

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  14. The angular momentum of electron in 'd' orbital is equal to

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  15. The ratio of kinetic energy to the total energy of an electron in a Bo...

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  16. As an electron is brought from an infinite distance close to nucleus o...

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  17. When electron falls from a higher energy to a lower energy level the d...

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  18. In an atom when an electron jumps from K-shel to M-shell

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  19. Radius of 3rd Bohr orbit is

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  20. The total energy of electron in an atom is a combination of potential ...

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