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A homogeneous rod AB of length L=1.8m and mass M is pivoted at the center o such that it can rotate freely in the vertical plane . The rod is initially in the horizontal position. A insect S of the same mass M falls verticall ...
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ANISOTROPY ? N WHICH WILL SHOW ? GLASS PAPER IODINE WOOL WOOD ? ...
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jee is on 12th and today is 10th.by now all must have finished their mathematics practice and would like to have some nice revisionary notes.so,here it is. *Image* nishant sir,should i continue posting,if you permit. if any o ...
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Reason-Assertion Type prob a)st-1 is true.st-2 is false b)st-1 is false,st-2 is true c)st-1 is true,st-2 is true,st-2 is correct explaination of st-1 d)st-1 is true,st-2 is true,st-2 is not correct explaination of st-1 Q1)St- ...
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a CHARGED PARTICLE & AN UNCHARGED PARTICLE..HAVE THE SAME LINEARvelocity.tHEY WILL HAVE THE SAME DE-BROG;IE WAVELENGTH.. tRUE OR FALSE.. i AM GETTING FALSE BUT ANSWER IS TRUE ...
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if a=cosA+isinA,then 1+a/1-a = 1.cotA/2 2.cot A 3.icotA/2 4.itanA/2 ...
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if z=(1+2i)/{1-(1-i)2} then arg(z) is 1.0 2.pi/2 3.pi 4.none me getting 2tan-12 ...
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∫ln(1+tanx) from o to pi/4 1)pi*ln2/8 2)pi*ln2/4 3)pi*ln2 4)pi*ln4 ...
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maximum length of perpendicular from centre of ellipse x2/9+y2/4 =1 on any normal to this ellipse is equal to a+5, then value of a is a. -4 b. -3 c. 4 d. none ...
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FIND THE INVERSE OF x+Sinx AND ALSO DRAW THE THE GRAPH OF BOTH THE FUNCTIONS ...
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if z is a non-zero complex no.,then mod.[mod{(conjugate of z)2} /(z*conjugate of z)] is_______________. me getting 1. ...
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A detergent (C12H25SO4-Na+) solution becomes a colloidal solution at a concentration of 10-3 M. On an average 1013 colloidal particles are present in 1 mm3. What is the average number of ions contained in one colloidal partic ...
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if z=-2/(1+i√3),arg(z) is- 1.pi 2.pi/3 3.2pi/3 4.pi/4 ...
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*Image* a small particle of mass M/10 is moving horizontally at a height of 3R/2 from ground with velocity 10 m/s. a perfectly inelastic collission occurs at point P of sphere of mass m placed on smooth horizontal surface. th ...
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ΣΣ(r+s)(cr+cs+crcs) 0≤r ...
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How to differentaite or integrate [x] ????? plzzzz tell fast i forgot [2][2][2] ...
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a triangular lamina of area A n height H is immeresd in a liquid of density Ï in a vertical plane with its base on the surface of the liquid.the thrust on the lamina is?? ...
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2 nos. are randomly selected frm 1,2,3,..........25 Wat is the prob. that Diff. b/w First and the Second no. selected is NOT less than 10 I m getting 2/5 Ans given : 1/5 ...
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a convex lens with focal length f is trisected parallel to the optical axis.what's the new focal length? ...
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Doubt- do v hav crystal field theory in jee?? During past years..was there any drastic change in the markin scheme in the paper when compared to the previous year. ...
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yhe value of ∫1a [x] f'(x) dx, [x] represent greatest integer ...
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if y=mx be the equation of the chord of the circle x2 +y2 -2ax=0 ,then find the equaiton of the circle of which this chord is the diameter? ...
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Two charges of values 5μC and 2μC are placed inside and outside of a uncharged conducting shell at a distance of 3 m. The force on 5μC charge will be: a. 10mN b. 5mN c. Zero d. can't be found ...
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how to draw a chemical structure for example H2S2O5,CrO5 ...
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if roots of a quadratic equation are imaginary, then these are conjugates of each other...true/false ...
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an aq solution of FeSO4 ,Al2(SO4)3 and chrome alum is heated wid excess Na2O2 and filtered .d materials obtained are a)a colurless filtrate n green residue b)yellow filtrate n green residue c)yellow filtrate n brown residue d ...