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*Image* suppose there is fluid filled along the length of the tube and density is p angular velocity is w area of cross section is a and there is an orifice at the end find the velocity of the fluid coming out!!! ...
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A triangle with vertices at 3+i, i(1+ 3 ) , and i(1- 3 ) is rotated about its circumcentre through an angle of Î /3 in anticlockwise direction.Find the new positon of the vertices. Pls post the method and method to find circu ...
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CH3 O | || CH3--C----C----NH2 + Br2/KOH/Δ -----> ?? | Br IS this the final product -- CH3 | CH3C=NH ...
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Consider 2 IDENTICAL capacitors . One is fully charged and other is fully UNcharged . If both of them are directly connected by a wire of zero resistance , will any charge flow from the charged capacitor to the other ? [ this ...
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In a bid to get the basic concept behind capacitors [ I'm weak in this section of electricity and magnetism [17]] , i'm posting a self-made question.CAN ANYONE PLEASE ANSWER TO THESE 3 QUESTIONS : Question : In all the given ...
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Young's double slit experiment is performed in a liquid. The 10th bright fringe in liquid lies where 6th dark fringe lies in air. The refractive Index of the liquid is approximately, A) 1.2 B) 1.6 C) 1.5 D) 1.8 ...
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*Image* Ans : V<III<I<II<IV PLEASE EXPLAIN !!! ...
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This may be a silly question......but since I'm a beginner in organic chemistry,I need the answer to this simple question : HOW TO REMEMBER THE LIST OF COMPOUNDS HAVING +I OR -I AND +R OR -R EFFECTS ???? ALSO HOW DO I REMEMBE ...
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1. An arc AC of a circle subtends a right angle at the centre O. The point B divides the arc in the ratio 1:2 . If and OB =b then find OC in terms of a and b. ...
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1) FeCl3 +SO2 → 2)Fe2O3 +NaOH +Cl2 → 3)CuSO4.5H2O +KCN(excess)→ will add more later.... ***not my doubts....just some exception reactions *** ...
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I guess my purpose of being on this site is not getting served.... All my doubts are not paid any heed. Why so??? ...
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1.Remainder when 22003 is divided by 17.. 2.If n is a positive integer.. then value of \sum_{i=0}^{n}{(-1)^{n} } 10^{n} C^{2n}_{n} divided by 81^{n} ...
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a manometer contains a liquid of density p. the difference inthe levels when the manometer rotates with a constant angular velocity w about one of its vertical limbs is?(the two limbs are separated by distance 'a') a)w2a2/2g ...
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1)Nitrogen monoxide, NO, reacts with hydrogen, H2, according to the following equation: 2 NO (g) + 2 H2 (g) → N2 (g) + 2 H2O (g) If the mechanism for this reaction were, 2NO(g) + H2(g) N2(g) + H2O2(g) (fast) H2O2(g) + H2(g) ...
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A long rod has one end at 0°c and other end at a high temperature. The coefficient of thermal conductivity varies with distance as K=K0(1+aX) where K0=102SI unit and a=1m-1.At what distance from d 1st end d temp. will b 100 ...
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A BODY TRAVELS UNIFORMLY A DISTANCE OF (13.8±0.2) m IN A TIME OF (4.0±0.3) s. THE VELOCITY OF THE BODY IS. ...
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A container has oxygen and hydrogen. Some weight of gases escape. Same weight of methane as that of escaped gases is added to the container so that the total pressure of the mixture remains same. Then what percent of the esca ...
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An object is placed at a distance of 10 cm in air from the front surface of a thick glass slab of thickness 6 cm whose black surface has been silvered.The image is formed at a distance of 14 cm from the polished surface . The ...
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*Image* Here it is the form of prism..and distance between DE and AH is neglibly small. 1.The direction of magnetic field at the geometric centre of three dimensional prism shaped coil will be 2. if an external magnetic field ...
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The coefficient of friction between an insect and a hemispherical bowl of radius r is \mu . The maximum height to which the insect can crawl in the bowl is A) \frac{r}{\sqrt{1+\mu ^{2}}} B) r\left[1-\frac{1}{\sqrt{1+\mu ^{2}} ...
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How to find out the field at a point 'x' distance above an infinite sheet of surface charge density 'd'? ...
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1. Which of the following statements is not correct ? (a). Pure para hydrogen can be obtained by cooling ordinary hydrogen to about 20 K. (b). The ratio of ortho and para hydrogen at 300 K and above is 3 : 1. (c). The ratio o ...
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1. Which of the following statements is false ? (a) Saline hydrides are stoichiometric compounds. (b) Ionic hydrides are crystalline,non-metallic and non-conducting in solid state. (c) The melts of ionic hydride are non-condu ...
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A spherical small ball of density p is gently released in a liquid of density ∂ (p > ∂ ) . The initial acceleration of the free fall of the ball will be : a) p + ∂/p g b) p - ∂/∂ g c) p - ∂/p g d)g the answer g ...
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A piece of ice with a stione frozen inside it is floating in water contained in a beaker. When the ice melts the level of water in a beaker a)rises b)falls c)remains unchanged d)falls at first then to the same height as befor ...