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DETERMINE THE DIRECTION OF FRICTION FOR PURE ROLLING MOTION OF THE RING: Please give reason. *Image* ...
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Question 1 *Image* MY ANSWER: C ------------------------------------------------------------------------------------------------ Question 2 *Image* ----------------------------------------------------------------------------- ...
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Question 1 *Image* --------NaNH2,NH3------->-----CH3I------> Please write steps. ---------------------------------------------------------------------------------------- Question 2 *Image* ----MeI-->---Ag2O,H2O----&g ...
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*Image* (acidic/basic;cationic/anionic) *Image* *Image* *Image* *Image* ...
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Question 1 *Image* Give Product. Which type of mechanism will it follow? Give reason. ---------------------------------------------------------------------------------------- Question 2 *Image* Give Product. ...
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Question 1 Multiple Correct Answer Type For the curve y=ce^{\frac{x}{a}} A) subtangent is constant B) subnormal varies as square of abcissa C) x-intercept of tangent is 2a-c D) normal at its point of intersection with y-axis ...
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Question Give order with respect to decreasing p-character of the hybrid orbitals of the central atoms: C3O2 I (HPO3)3 II B3N3H6 III ...
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Question 1 The rate of nitration of the following aromatic compounds decreases in the order: *Image* I *Image* II *Image* III *Image* IV Question 2 True/False Type Ph_{3}\dot{C} radicle has more number of hyperconjugation str ...
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Paragraph n moles of Helium gas is filled in a thermally insulated vessel at a temperature T. From a very small orifice of area A gas is coming out. Given V is volume of container and M is molecular mass of gas. [Assume outsi ...
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*Image* A rod and a block are of same mass. Initially rod is in horizontal position. What will be acceleration of tip of the rod when system is released from the position. Elaborate your answer. ...
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Question 1 If \vec{a} , \vec{b} , \vec{c} be such that | \vec{a} + \vec{b} + \vec{c} |=1, \vec{c} = \lambda \vec{a} x \vec{b} and |a|= 1/ 2 , |b|= 1/ 3 , |c|= 1/ 6 then the angle between \vec{a} and \vec{b} is: A) Î /6 B) Î / ...
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On an average out of 12 games of chess played by A and B, A wins 6, B wins 4 and 2 games end in a tie. A and B play a tournament of 3 games. Calculate the probability that A and B win alternate game, no game is tied up. ...
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1. Phenol + C6H5COCl --------OH-------> HCl + (P) Identify (P) Is P C6H5COOC6H5 2. (True/False) Give reason. Nitration of nitrobenzene is easier than benzene. ...
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1. The depression in freezing point caused by a 1M NaCl solution is 0.0123°C. What will be the depression in freezing point caused by 1M glucose solution? 2. When HgI2 is mixed with aqueous solution of KI then freezing point ...
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ISC Chemistry What structural features cause the difference between thermosetting and thermoplastic polymers? What is the effect of heat on thermosetting and thermoplastic polymers? ...
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Which one of the BT STS papers among 3-7 would you recommend? i must learn something new... ...
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Statement: The electric field is responsible for the optical effects of an electromagnetic wave. Justify the above statement. ...
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Lim\; n\to \infty \; \frac{1}{n^{2}} \; \sum_{k=0}^{n-1}\: \: \begin{bmatrix} k\int_{k}^{k+1}((x-k)(k+1-x))^{1/2} \end{bmatrix} A) π/32 B) π/16 C) π/8 D) π/4 ...
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Positive value of a so that the definite integral \int_{a}^{a^{2}} \frac{dx}{x+x^{\frac{1}{2}}} achieves the smallest value is: A) tan2(Ï€/8) B) tan2(3Ï€/8) C) tan2(Ï€/12) D) 0 ...
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Grignard reagent A and a haloalkane B react together to give C. Compound C on heating with KOH gives a mixture of two geometrical isomers D and E of which D predominates. C and E have same molecular formula and C gives 1-brom ...
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Statement 1: f(x) = \left | x \right |cosx is NOT differentiable at x=0 Statement 2: Every Absolute value functions are NOT differentiable. EXPLAIN YOUR ANSWER. ...
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f(x)=(x^{2}-1)\left | x^{2}-3x+2 \right | + cos\left | x \right | is NOT differentiable at x= A) -1 B) 0 C) 1 D) 2 ...
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True/ False: If f is differentiable then f\left | f \right | is also differentiable. Give Reason. ...
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Is \; the\; function\; f(x)=e^{-\left | x \right |} \; \; differentiable \; at \; x=0 Give Reason. ...
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Multiple Correct Answer Type Let f(x)=\left\{\begin{matrix} x^{2}sin\frac{1}{x}\; \; x\neq0 \\ 0\; \; \; \; \; \; x=0 \end{matrix}\right. then: A) f and f' are continuous at x=0 B) f is derivable at x=0 C) f is derivable at x ...
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Consider a SMALL ANGLED PRISM placed between a point object O and a Concave Mirror (pole P) (OP<f). Then, why is it that the rays formed due to deviation by prism when traced back form an image in the plane of object or wh ...
