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I am drinking a glass of lassi or juice. I insert a straw (perpendicularly) inside it. Let's say that for a certain value of the thickness(density) of the juice, the straw stands still straight. what is the minimum density of ...
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the new look looks gud! :D ...
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Hey friends please tell me how JD Lee Concise Inorganic chemistry should be used for JEE preparation , I am asking this because this a very big book and require a lot of time , should I do the whole JEE Inorganic chemistry sy ...
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The first ionization energy of H is 21.79x10-19J.Calculate the second ionization energy of He atom. (According to me, 2nd I.E of He=E2-E∞ =(21.79x10-19)x 22/22 -0 (E=21.79x10-19x z2/n2 ) =21.79x10-19J given correct answer i ...
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How much ice will separate if a solution containing 25 g ethylene glycol C[2]H[4]OH[2] in 100 g water is cooled by 10 K?(molal depression constant=1.86 for water). ...
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The number of waves made by an electron moving in an orbit having maximum quantum number(m)+3 is (a)3 (b)4 (c)5 (d)6 ...
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A transition of H-atom spectrum has wavelength 1032Ao.Find the transition.(n1 and n2) ...
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Calculate the uncertainty in the velocity of a wagon of mass 2000 kg,whose position is known to an accuracy of ±10 metre. ...
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How many times does the electrons go round the first Bohr's orbit of hydrogen in one second? ...