Q. Discovery of protons was commenced in year

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Q. When cathode rays fall on matter they produce

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Q. When spectra is observed in high resolving spectrometer, each line formed is consist of pair of lines, this structure is called

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Q. N+l value of 6d orbital is

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Q. Number of degenerate orbitals in d-sub shell are

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Q. Magnetic properties of cathode were discovered by

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Q. Boundary line between colors cannot be marked in

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Q. In Millikan oil drop method spray of oil droplets is produced by

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Q. Properties of electron and protons were completely discovered in

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Q. Difference in values of energy of electron increases from

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Q. Last series which is obtained in hydrogen spectrum is

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Q. Wavelength of ultraviolet rays is from

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Q. X107 is for

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Q. Positive rays show positive charge by deflection through

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Q. Delta x is related to delta p

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Q. Unit picometer is actually

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Q. Total number of electrons in d-sub shell are

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Q. Along with paraffin neutrons can expel protons from

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Q. Lyman series for hydrogen spectrum is present in

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Q. Value of azimuthal quantum number starts from

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