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Recent questions tagged bhor's-model

Which one of the following sets of ions represents a collection of isoelectronic species?

asked Jan 13, 2014 by sreemathi.v

1 answer

The wavelength of the radiations emitted,when in a hydrogen atom electron falls from infinity to stationary state is ($R_H=1.097\times 10^7m^{-1})$

asked Jan 13, 2014 by sreemathi.v

1 answer

The De-Brogile wavelength of a tennis ball mass 60g moving with a velocity of 10m per second is approximately

asked Jan 13, 2014 by sreemathi.v

1 answer

In Bohr series of lines of hydrogen spectrum,third line from the red end corresponds to which one of the following inner orbit jumps of electron of Bohr orbit in atom of hydrogen

asked Jan 13, 2014 by sreemathi.v

1 answer

Which orbital is nearest to the nucleus?

asked Jan 10, 2014 by sreemathi.v

1 answer

Assuming the velocity to be same,which sub-atomic particle possesses smallest de-Brogile wavelength

asked Jan 10, 2014 by sreemathi.v

1 answer

A photon of 300nm is observed by a gas and then re-emits two photons. One re-emitted photon has wavelength 496nm, the wavelength of second re-emitted photon is

asked Jan 10, 2014 by sreemathi.v

1 answer

Find the wave length of radiation required to excite the electron in ground level of $Li^{++}(z=3)$ to third energy level.Also find the ionization energy of $Li^{2+}$.(R=$1.097\times 10^7m^{-1})$

asked Jan 9, 2014 by sreemathi.v

1 answer

Calculate the wave length of light radiation that would be emitted,when an electron in the fourth Bohr's orbit of $He^+$ ion falls to the second Bohr's orbit.To what transition does this light radiation correspond in the H-atom?

asked Jan 9, 2014 by sreemathi.v

1 answer

A spectral line in the spectrum of $H$-atom has a wave number of $15222.22cm^{-1}$. What transition is responsible for this radiation? (Rydberg constant $R=1.096\times 10^5cm^{-1}$)

asked Jan 9, 2014 by sreemathi.v

1 answer

Estimate the wavelength of second line (also called as $\beta$-line) in Balmer series of hydrogen atom

asked Jan 9, 2014 by sreemathi.v

1 answer

Determine the frequency of revolution of the electron in $2^{nd}$ Bohr's orbit in hydrogen atom

asked Jan 9, 2014 by sreemathi.v

1 answer

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