Q. Probability of finding electron in hydrogen atom is at

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Q. Value of radius in angstrom for fourth radius of hydrogen atom is

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Q. Potential energy of electron system is zero at

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Q. Lobes of d-orbitals which lie between axis are

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Q. Lines of shorter wavelength comes in

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Q. Orbits in which electrons can revolve have fixed

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Q. Bohr applied Planck's postulates on

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Q. Direction of three orbitals of p-sub shell is

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Q. Spectrum of rays having lower wavelength has

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Q. Alpha particles used by Rutherford was obtained from

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Q. Alpha particles taken for discovery of neutron were obtained from

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Q. Dispersion of white light when passed through prism is known as

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Q. Work done is actually product of force and

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Q. Shape of lobes which touch each other at origin of p-sub shell is

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Q. Wavelength of X rays is

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Q. Character of p-orbital which determines geometry of molecules is

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Q. N+l value of 2p orbital is

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Q. Color which is produced in glass tube is dependent upon

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Q. Near nucleus potential energy of electron is usually less than

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Q. Pressure in chamber in Millikan oil drop method is adjusted by

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