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Questions >> JEEMAIN and NEET >> Chemistry >> Atomic Structure

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

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?

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

Calculate the velocity of electron ejected from platinum surface when radiation of 200nm fall on it. Work function of platinum is 5eV. $(1eV=1.6\times 10^{-19}J$ )

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?

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?

asked Jan 9, 2014 by sreemathi.v

1 answer

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