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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Q. Principle quantum number is represented by

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Q. Cathode rays can produce shadow when object placed in their path is

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Q. +1 is relative charge which is present on

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Q. Wavelength of 400-430nm is for

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Q. Green is color of

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Q. Quantum numbers are

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Q. Charge on oil droplets can be changed by change of

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Q. In line spectrum of sodium number of lines obtained are

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Q. Wavelength of alpha particle is smaller as compared to electron about

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