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Recent questions in Atomic Structure
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JEEMAIN and NEET
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Chemistry
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Atomic Structure
Estimate the wavelength of second line (also called as $\beta$-line) in Balmer series of hydrogen atom
jeemain
chemistry
physical-chemistry
class11
unit2
atomic-structure
bhor's-model
q6
medium
asked
Jan 9, 2014
by
sreemathi.v
1
answer
A hydrogen atom in the ground state is hit by a particle exciting the electron to 4s orbital.The electron then drops to 2s orbital.What is the frequency of radiation emitted and absorbed in the process?
jeemain
chemistry
physical-chemistry
class11
unit2
atomic-structure
quantum-mechanical-model
q5
medium
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
sat
chemistry
atomic-structure
jeemain
physical-chemistry
class11
unit2
bhor's-model
q4
medium
asked
Jan 9, 2014
by
sreemathi.v
1
answer
Calculate the velocity of electron ejected from platinum surface when radiation of 200nm fall on it. Work function of platinum is 5eV. $(1eV=1.6\times 10^{-19}J$)
jeemain
chemistry
physical-chemistry
class11
unit2
atomic-structure
quantum-mechanical-model
q3
medium
asked
Jan 9, 2014
by
sreemathi.v
1
answer
A 100W power source emits green light at a wavelength $\lambda=5000\overset{\circ}{A}$. How many photons per minute are emitted by the source?
jeemain
chemistry
physical-chemistry
class11
unit2
atomic-structure
quantum-mechanical-model
q2
medium
asked
Jan 9, 2014
by
sreemathi.v
1
answer
Given the $\lambda$ values for violet light ($\lambda=4.10\times 10^{-5}cm)$ and red light($\lambda=6.56\times 10^{-5}cm$), which of the following is true about the ratio of energies carried by them and their frequencies?
jeemain
chemistry
physical-chemistry
class11
unit2
atomic-structure
bohr's-modle
q1
medium
asked
Jan 9, 2014
by
sreemathi.v
1
answer
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