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- The diameter of zinc atom is '2.6A. Calculate (a) radius of zinc atom ...
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- A certain particle carries '2.5 xx 10^(-16) C' of static electric char...
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- In Millikans experiment, static electric charge on the oil drops has b...
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- In Rutherfords experiment, generally the thin foil of heavy atoms, lik...
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- Symbols 35 ^(79) Br and ^(79) Br can be written, whereas symbols ...
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- An element with mass number 81 contains '31.7 %' more neutrons as comp...
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- An ion with mass number 37 possesses one unit of negative charge. If t...
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- An ion with mass number 56 contains 3 units of positive charge and '30...
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- Arrange the following type of radiations in increasing order of freque...
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- Nitrogen laser produces a radiation at a wavelength of 337.1 nm. If t...
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- Neon gas is generally used in the sign boards. If it emits strongly at...
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- In astronomical observations, signals observed from the distant stars ...
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- Life of the molecules in the excited states are often measured by usin...
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- The longest wavelength doublet absorption transition is observed at 58...
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- The work function for Ceasium atom is 1.9 eV. Calculate the threshold ...
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- The ejection of the photoelectron from the silver metal in the photoel...
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- If the photon of the wavelength 150 pm strikes an atom and. one of its...
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- Emission transitions in the Paschen series end at orbit n=3 and start ...
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- Calculate the wavelength for the ẻmission transition if it starts from...
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- Dual behaviour of matter proposed by de Broglie led to the discovery o...
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