Q. Planck's theory was given by

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Q. Sommerfeld contributed to atomic structure in

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Q. Velocity of electron can be easily determined if it is present in

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Q. Atomic spectrum can be produced by help of high temperature or

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Q. Value of ionization energy for hydrogen atom is

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Q. orbit of hydrogen which is sixteen times away from first orbit is

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Q. Outer electrons in atoms in Rutherford model

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Q. Frequency is measured for

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Q. Mass in kg of a proton is

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Q. Direction in which positive rays travel, is opposite to

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Q. Spectrum of hydrogen can be obtained in

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Q. Value of droplet moving upward and that moving downward is recorded by

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Q. Rutherford model was unsatisfactory because it could not explain movement of

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Q. Atomic spectrum is viewed in

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Q. Value of energy for first orbit of hydrogen in kilo joule per mole is

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Q. Relationship between frequency and wavelength is that they are

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Q. E/m ratio is maximum for

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Q. Spectrum of light in addition to visible light has

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Q. Value of radius 4.75 angstrom is for

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Q. Size of s-orbital increases when value of principal quantum number

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