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A solid sphere of mass m rolls down a inclined plane of height h . find the rotational kinetic energy of sphere ??? plzz m weak at this topixc so plzzz post full solution?? ...
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Two charges +q1 and and -q2 are placed at A and B respectively.A line of force emanate from +q1 at an angle α with AB. At what angle it will terminate at -q2? *Image* (a)sin-1[√(q1/q2)sin α/2] (b)2sin-1[√(q1/q2)sin α/2 ...
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Two charges +q1 and and -q2 are placed at A and B respectively.A line of force emanate from +q1 at an angle α with AB. At what angle it will terminate at -q2? *Image* (a)sin-1[√(q1/q2)sin α/2] (b)2sin-1[√(q1/q2)sin α/2 ...
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Q) A Square ABCD of diagonal 2a is folded along the diagonal AC so that the planes DAC and BAC are at right angles. The shortest distance between DC and AB is a) √2a b) 2/3 a c) 2/√5 a d) √3/2 a ...
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Two charges +q1 and and -q2 are placed at A and B respectively.A line of force emanate from +q1 at an angle α with AB. At what angle it will terminate at -q2? *Image* (a)sin-1[√(q1/q2)sin α/2] (b)2sin-1[√(q1/q2)sin α/2 ...
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Two charges +q1 and and -q2 are placed at A and B respectively.A line of force emanate from +q1 at an angle α with AB. At what angle it will terminate at -q2? *Image* (a)sin-1[√(q1/q2)sin α/2] (b)2sin-1[√(q1/q2)sin α/2 ...
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*Image* Q3. edit: word missing after tangential "acceleration" ...
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Photoelectric Effect/ Objective I:- Q.2) Two Photons having a) equal wavelengths have equal linear momenta b) equal energies have equal linear momenta c) equal frequencies have equal linear momenta d) equal linear momenta hav ...
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Q1. 18tan^{16}\frac{\pi }{18} - 816tan^{14}\frac{\pi }{18} + ... - 816tan^{2}\frac{\pi }{18} = _____ Q2. If ABC is a triangle and cot(A/2), cot(B/2), cot(C/2) are in GP, then minimum value of cot(B/2) is _________ Q3. Prove t ...
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Q1. 18tan^{16}\frac{\pi }{18} - 816tan^{14}\frac{\pi }{18} + ... - 816tan^{2}\frac{\pi }{18} = _____ Q2. If ABC is a triangle and cot(A/2), cot(B/2), cot(C/2) are in GP, then minimum value of cot(B/2) is _________ Q3. Prove t ...
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Q1. What weight of KNO2 will be oxidised by 20ml of 0.2M KMnO4 in acidic medium? Q2. 7.45 g KCl was heated with excess MnO2 and H2SO4. The gas so produced was then passed through a solution of KI. Wt, of I2 liberated is _____ ...
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*Image* ...
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Let I= ∫p/20 sinx/x dx then I lies in the interval a) (0,1) b) [0,1] c) [0, 3/2 ] d) [1,2) ...
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Q1. What weight of KNO2 will be oxidised by 20ml of 0.2M KMnO4 in acidic medium? Q2. 7.45 g KCl was heated with excess MnO2 and H2SO4. The gas so produced was then passed through a solution of KI. Wt, of I2 liberated is _____ ...
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Let I= ∫p/20 sinx/x dx then I lies in the interval a) (0,1) b) [0,1] c) [0, 3/2 ] d) [1,2) ...
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1) Let f(x+y)= f(x).f(y) for all x & y. Given that f(3)=3 & f'(0)= 11.Then f'(3)= ? A) 22 B) 44 C) 33 D) None Assertion-Reason Type - 2) I- The sum or difference of two discontinuos functions may be continuous at a point. II- ...
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Q1) Which has highest bp? a) 1% soln C6H12O6 b) 1% soln NaCl c) 1% soln ZnSO4 d) 1% soln (NH2)2CO Q2) Weight of water in 1L of 2M NaCl soln of density 1.117g/ml is a) 1117g b) 1000g c) 117g d) 883g ...
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1. Two particles are simultaneously projected in horizontal direction with speed of 4m/s and 8m/s respectively in opposite directions from a tower of height 10 m. The displacement vectors of two particles a. never be perpendi ...
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1. Two particles are simultaneously projected in horizontal direction with speed of 4m/s and 8m/s respectively in opposite directions from a tower of height 10 m. The displacement vectors of two particles a. never be perpendi ...
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1. Two particles are simultaneously projected in horizontal direction with speed of 4m/s and 8m/s respectively in opposite directions from a tower of height 10 m. The displacement vectors of two particles a. never be perpendi ...
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1. Two particles are simultaneously projected in horizontal direction with speed of 4m/s and 8m/s respectively in opposite directions from a tower of height 10 m. The displacement vectors of two particles a. never be perpendi ...
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The least value of 9tan2∂ +4cot2∂ is a) 13 b)5 c) 0 d) none of these ans. d ...
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1.arrange order of polarity(with logic)-NH3,PH3,AsH3,SbH3. 2.which of these has the strongest sigma bond-ethane/ethene/ethyne/benzene? ...
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Integrate the foll. ∫ 12x12+5x9/x5+x3+1 dx ∫etanx(xsec2x + sin 2x )dx ∫e3x( 2+3sin2x/1+cosx )dx ...
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Q) The tangents that are parallel to the bisector of the first co-ordinate angle for the curve F(x)= ∫0x 2tdt are a) y=x- 1/4 b) y=x+ 1/4 c) y=x- 3/2 d) y=x+ 3/2 ...
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∫e^x(1+sinx)/(1+cosx) ...
