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(chatquestion)...w/c type of covalent bond is formed in Oxygen ...A, single covalent B,double covalent C, triple covalent D,all

asked Jan 21, 2020 by balaji.thirumalai

1 answer

(chatquestion)...the mean free path of a molecule of He gas is alpha.its mean free path along any arbitrary coordinate axis will be

asked Jan 21, 2020 by balaji.thirumalai

0 answers

(chatquestion)...Hari and ganesh have salaries that jointly amount 10000 per month.they spend the same amount monthly and then it is found that the respective ratio of their savings is 6:1.which of the following can be hari's monthly salary 1)6000 2)5000 3)4000 4)3000

asked Jan 21, 2020 by balaji.thirumalai

0 answers

(chatquestion)...Exercise • Suppose that the cowboy runs out of silver bullets and fires a lead bullet at the same speed into the wall. Will the temperature change of the bullet be larger or smaller?

asked Jan 21, 2020 by balaji.thirumalai

0 answers

(chatquestion)...Exercise • Suppose that the cowboy runs out of silver bullets and fires a lead bullet at the same speed into the wall. Will the temperature change of the bullet be larger or smaller?

asked Jan 21, 2020 by balaji.thirumalai

0 answers

(chatquestion)...R1-sin x X-→ Cos x - COs a 5. lim 1- sin x 7. lim 2. 2. a sin x-x sin a 9. lim 2-sin x-1 11. lim 2. 2. cot 4 x- cos 4 x 13. lim (x-8 x)3

asked Jan 21, 2020 by balaji.thirumalai

0 answers

(chatquestion)...Initially the spring and the string are undeformed as shown the figure. If the force constant of spring and string are same and equal to k. Then the time period of small horizontal oscillations of block is 2m 1 (2) 2π V k m. (1) 2n, 2k (3) T 2k (4) 2n, El

asked Jan 21, 2020 by balaji.thirumalai

0 answers

(chatquestion)...24 C. The area of triangle ABC. 2. 13 4164 units EXAMPLE 16 OABC is a parallelogram with O as the origin, A(1,2,3) and C(-1,2,4). Find the area of parallelogram. laxbl 3.

asked Jan 21, 2020 by balaji.thirumalai

0 answers

(chatquestion)...40. IUPAC name of the compound CH2 - CHO OHC - CH2 - CH2 - CH – CH2 - CHO is 17. (a) 4, 4-Di(formylmethyl) butanal (b) 2–(formylmethyl) butane–1, 4-dicarbaldeh (c) Hexane-3-acetaldial (d) 3-(2-oxoethyl) hexanedial

asked Jan 21, 2020 by balaji.thirumalai

1 answer

(chatquestion)...28. Suppose A is a complex number and n e N, such that A" = (A + 1)" = 1, then the least value of n is 7 'n %3D a. 3 b. 6 c. 9 d. 12

asked Jan 21, 2020 by balaji.thirumalai

1 answer

(chatquestion)...15. What will be the major product of the following reaction? CH,CH3 CH OH, 30°C CH3-C-C-CH-CH3 H CH3 Br

asked Jan 21, 2020 by balaji.thirumalai

0 answers

(chatquestion)...Estimate the magnitude of the minimum horizontal force required to maintain a box of mass 20 kg when placed on a rough plane which makes an angle of 65º to the vertical (μ = 0.35) explanation please

asked Jan 21, 2020 by balaji.thirumalai

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(chatquestion)...4G O VOLTE 8:45 PM KB/s E Active Tests Revise laterN 00: 22 :21 Q 9/15 The surface charge density of the plates of a parallel plate capacitor is 8.854 µCm-2. If an imaginary circular loop of radius a is kept between the plates such that its plane is perpendicular to plates, the flux of field associated with the loop is 1 ax 106 N/C a a? x 106 N/C 1 a x 10-6 N/c Zero Clear Response 个

asked Jan 20, 2020 by balaji.thirumalai

0 answers

(chatquestion)...A bulb, a capacitor and a battery are connected together as shown here, with switch S initially open. When the switch S is closed, which one of the 53. following is true ? (1). (8) The bulb will light up for an instant when the capacitor starts charging. tivr (2) The bulb will light up when the capacitor is fully charged (3) The bulb will not light up at all (4) The bulb will light up and go off at regular intervals.

asked Jan 20, 2020 by balaji.thirumalai

0 answers

(chatquestion)...A simple harmonic progressive wave is represeno the equation y38 sin 2n(0.1x- 2t), where x and y are in centimetre and tis in second. At any instant phase difference between two particles separated by 2 cm 41. 2n(0 cm is (1) (2) rad TC TC (1) rad (3) TC (3) rad rad 5 42. यदि

asked Jan 20, 2020 by balaji.thirumalai

0 answers

(chatquestion)...JEE EXP A.P., G.P, H.P. %3D eries, P. Sum of given series 3e + e = 4e * 2<e<3 : 8< 4e < 12 = 8<S< 12 %3D (1-x %3D 12. (b Accord %3D 7. (a): a + B 1, aß = -1

asked Jan 20, 2020 by balaji.thirumalai

0 answers

(chatquestion)...999 1000 0-|1-2)"(3 4) (3 U) 10. (c) . P 20 6. (c): 1, of 1, 8, 21, 40, 65, .... ,-1+7+13 + 19 + 25 + Which represent the sum of r terms of an A.P. with fire 1 and common difference is given by %3D 1125 ******* . ar, ar, ar to r terms 640= 12 term =6. G.P. 11. (c 1, = 12 x1+(r-1)6} = r(3r - 2) 10 .1, of given series: r(3r-2) 3r-2 3(r-1)+ 1-a %3D %3D r-1 %3D r-1

asked Jan 20, 2020 by balaji.thirumalai

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(chatquestion)...1 Q = 1x2 3x4 5x6 then .... (a) P = Q (c) P = 20 (b) 2P = Q (d) P= 4Q (2013) %3D 6. Let S denote the sum of the infinite series 8 21 40 65 1+ + 13. +- +.... Then 2! 3! 4! 5! (a) S< 8 (b) S> 12 (c) 8<S< 12 (d) S= 8 (2014) 7. %3D 1. Let a, B be the roots of x - x-1 0 and S, = a" %3D

asked Jan 20, 2020 by balaji.thirumalai

0 answers

(chatquestion)...Based on above graph answer the following a) Which strike team penetrated deep in POK? b) What is distance between strike team 1 and strike team 3? c) Calculate the triangular area of operation among the three teams.

asked Jan 20, 2020 by balaji.thirumalai

0 answers

(chatquestion)...polynomiai 31. During recent surgical strike by Indian special forces across LOC in POK comprised of 3 strikes team. Strike Team 1, 2 and 3 penetrated deep in POK. At 2 a.m the location of all three strike teams is shown in graph whereas O the origin is taken as place from where all forces started at 1 am. Sector Secto Avea +¥ (6, 4) 16,8) 13- e Teae 1 A Swike Sewr i (4,6) ISrike Tears 3 14-12-10-3 12 16

asked Jan 20, 2020 by balaji.thirumalai

1 answer

(chatquestion)...and AB = 5 cm. OD Find the length DC. A 5 cm OR Two tangents PQ and PR are drawn from an external point to a circle with centre O Prove that QORP is a cyclic quadrilateral. A satellite orbiting the earth passes directly overhead at observation stations in Bengaluru and Shriharikota. At an instant when satellite is between these two stations its angle of elevation is simultaneously observed to be complementary angles. If distance between Bengaluru and Shriharikota is 350 km. Find Value of (cot 0+ tan 0) in terms of altitude of a) satellite from earth. If angle of elevations are equal complementary b) 90 angles. Find altitude of satellite. Shribarikota Bengaluru Tiwo dice are thrown once and the number obtained in each die is noted. Find the probability

asked Jan 20, 2020 by balaji.thirumalai

0 answers

(chatquestion)...+6V :R LED (Y) R. в 1 The correct Boolean operation represented by the circuit diagram drawn is : (2) OR (4) NOR (1) AND (3) NAND

asked Jan 20, 2020 by balaji.thirumalai

0 answers

(chatquestion)...Two car A and B are moving on two perpendicular roads towards a crossing with uniform speeds of 72 km/h & 36 km/h respectively. If car A blows horn of frequency 320 Hz then the frequency heard by the driver of car B when line joining the cars make 30° with the line of motion of car B is 340,720 337 (speed of sound = 330 m/s) (1) (330+5/3) Hz (2) (330-5/3) Hz (3) 335 Hz (4) 325 Hz

asked Jan 20, 2020 by balaji.thirumalai

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(chatquestion)...1 Q = 1x2 3x4 5x6 then .... (a) P = Q (c) P = 20 (b) 2P = Q (d) P= 4Q (2013) %3D 6. Let S denote the sum of the infinite series 8 21 40 65 1+ + 13. +- +.... Then 2! 3! 4! 5! (a) S< 8 (b) S> 12 (c) 8<S< 12 (d) S= 8 (2014) 7. %3D 1. Let a, B be the roots of x - x-1 0 and S, = a" %3D

asked Jan 20, 2020 by balaji.thirumalai

0 answers

(chatquestion)...(3) 24 µJ (2) 6 µJ ( 1) 72 μJ (2) 6 μ A long solenoid of radius 2 cm has 100 turns/cm 37. and carries a current of 5A. A coil of radius 1 cm Isupo having 100 turns and a total resistance of 20 2 is placed inside the solenoid co-axially. The 42. coil is connected to galvanometer. If current in the solenoid is reversed in direction. Find the charge flown through the galvanometer. (1) 2 x 104 C (2) 1 × 104 C (3) 4 x 10-4 C (4) 8 x 104 C 33 34

asked Jan 20, 2020 by balaji.thirumalai

0 answers

(chatquestion)...2/2 RT IV MATICS वेकल्प चुनिए। ng the miost appropriate option. 4. 8. 91. The sum 1+-+→ +. .3 х (upto .co) is finite if (1) x< 2 (2) x<1 1. (3) x <- (4) x> 2

asked Jan 20, 2020 by balaji.thirumalai

0 answers

(chatquestion)...loun Hen Calculate RODob Hh in gon min

asked Jan 20, 2020 by balaji.thirumalai

1 answer

(chatquestion)...IS OF FHPSE order ihn N,Us With rate constant 6.2 8 10 when [N05]= 1.25 mol L- ? (a) 7.75 x 10-1 mol L's-1 (c) 5.15 x 105 mol L-'s-1 [AFMC %3D (b) 6.35 x 10-3 molL-s-1 (d) 3.85 x 10-1 molL-'s-1 6. A first-order reaction which is 30% complete in 30 minutes has a half-life period of: [AIIM (d) 120.2 mi (a) 24.2 min (b) 58.2 min (c) 102.2 min

asked Jan 20, 2020 by balaji.thirumalai

1 answer

(chatquestion)...200°c P-oxide H.0 A–Heating в >D contain P-H bond Acid Incorrect statement is :- (1) Gas B is PH, (2) D is pyrophosphoric acid (3) A is H,PO, (4) D on strong heating gives P,0, 3.

asked Jan 20, 2020 by balaji.thirumalai

1 answer

(chatquestion)...24 If 1+ x2 = /3x, then 12, %3D is equal to n=1 (A) 48 (C) ±48(m – w² ) (B) -48 (D) none of these eguation ¬2 + la + i\z + h + ic -0 be real when a hc R then c3 + h.

asked Jan 20, 2020 by balaji.thirumalai

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(chatquestion)...maT mgsia@_+ I 25 50+60 60-50 25 K X 30 30 veny 50-T 50t T 25 %3D t0 30 2. 6(50-T) = T 42.. 300 14

asked Jan 20, 2020 by balaji.thirumalai

0 answers

(chatquestion)...OV mean 100V = ecludlrol slure 0.893 M %1D = 2H202- + Oz. → 2240 0 ml (G7.P) gn 34 10 ml 1or&34 34 bi 03039 35

asked Jan 20, 2020 by balaji.thirumalai

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(chatquestion)...1OV mean 100V = Pecelupliol. volume Strength 1.786 N 0:893 M 3.03/.0/7 Tov 2 H20 2 - o t Oz . → 22400 ml G T.P) 10 ml 2x 34 1orek3434 6.0303

asked Jan 20, 2020 by balaji.thirumalai

0 answers

(chatquestion)...(a) 1:8 18. A charge Q is placed at each of the two opposite corners of a square. A charge q is placed at each of the other two corners. If the resultant force on Q is zero, then (a) Q = /2q (c) Q =2/2q (b) Q = -v2q (d) Q = -2/2q

asked Jan 20, 2020 by balaji.thirumalai

0 answers

(chatquestion)...CAR electric discharge is passed through a mixture containing 50 ml of Oe and 50 ml of H, The 2(g) 2(g) volume of the product (H,O) formed at 110°C will be. (Identical conditions of temperature and pressure):- (1) 100 ml (2) 50 ml (3) 75 ml (4) 25 ml

asked Jan 20, 2020 by balaji.thirumalai

0 answers

(chatquestion)...Medical (i) Relation Between Molality (m) and Mole fraction ng x M, x 1000 WA x1000 Xn XA NA My Walves molality x M XB 1000 XA molality x M, 1000 molality x MA : if x <<<1 for very dilute Xg 1-x 1000 VOLUME STRENGTH OF H,0, SOLUTION: G) Volume of O, (L) produced by decomposition of unit volume solution of H,O, at NT volume strength. Relationship between volume strength of H,O, and Molarity/Normality Let volume strength of H,O, solution be X V, it means 1L solution of H,O2, can p NTP. 2H,0, 2H,0 + O(g) 2mol Imol 1 mole O, can be produced by = 2 mole H,O, solution х 2X mole of O, can be produced by = 22.4 mole H,O, solution 22.4 х mole of H,O, solution 11.2 Molarity- number of moles of solute volume of solution(L) 2X (a) 22.4 11.2 Hence M- 11.2 (b) Normality molarity xvalence factor = x 2 = 11.2 5.6 N- 5.6 Hence Strength (g/L): S-N xE (c) x 17 Hence S- g/L 5.6 17 5.6 10 ONCEPTS OF DILUTIO k) dition of a solvent in a solution, where following r The dilution and betore ulution • amount of solute (w) • moles of solute (M xV) MolagityXvelump. PNumber of gram equivalent of solute (N xV) Mroli xvune Shot on realme5 By Rahul Kumar mog

asked Jan 20, 2020 by balaji.thirumalai

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(chatquestion)...13. A block of mass 2kg, kept at origin is having G velocity 4/6 m/s in positive x-direction. Its potential energy is defined as U=(-x³ + 6x² + 15) J. Its velocity when the applied force is zero (at a later then x = 0) is :- (1) 8m/s (2) 4m/s (3) 10/24 m/s (4) None of these

asked Jan 20, 2020 by balaji.thirumalai

0 answers

(chatquestion)...7i-4j+4k (b) Resultant vector %3D 9. (R) = Ā +B= (2i – 2j – k) + (i + î) = 3i – } - k R'S BOX-11 %3D +2ab cose = (3 : projection of resultant on x-axis =3 = 3 %3D Vector component of a in the direction of b (i + î) 5. 3 cose = b2 - abcose ab cose b = (acose) 6 = 9. Ib? 9. (2i + 3).i + ) 6 + î) V1? +1² j² ar to each other ak) = 0 %3D 2x1+3x1i+) ZANODEO2\BOAI BO\TARGET\PHY\SOLUTIONSIMODULE IN01 BASIC MATHSs VECTOR P6S ZANODE02\BOA-BOTARGET\PHY\SOLUTIONSMODULE I\01-BASIC MATHS& VECTOR P6S

asked Jan 20, 2020 by balaji.thirumalai

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(chatquestion)...(2) One which is painted thick white 3}One which is painted thick black (4) One which is painted bright white A body cools from 60°C to 50°C in 10 minutes. If 99. the room temperature is 25°C and assuming Newotn's cooling law holds good, the temperature of the body at the end of next 10 minutes is : (2) 42.85°C (1) 45°C (4) 38.5°C (3) 40°C 100. As compared to the person with white skin, the person with black skin will experience I more cold

asked Jan 20, 2020 by balaji.thirumalai

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(chatquestion)...Table 18.1 Blood Groups and Donor Compatibility Bloo Anti- Antibodies Donor' d. gens in Grou on RBC Plasma Group A, O anti-B B anti-A B, O AB, A, AB A, B nil B, O nil anti-A, B

asked Jan 20, 2020 by balaji.thirumalai

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(chatquestion)...ATIMS Electromagneuc noCOUT 3: A current I = 1.5 A is flowing through a long solenoid of diameter 3.2 cm, having 220 turns per cm. At its centre, a 130 turn closely packed coil of diameter 2.1 cm is placed such that the coil is coaxial with the long solenoid. The current in the solenoid is reduced to zero at a steady rate in 25 ms. WWhat is the magnitude of emf induced in the coil while the current in the solenoid is changing?

asked Jan 20, 2020 by balaji.thirumalai

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(chatquestion)...Tesistu Exam Example 3.38. In the circuit shown in figure, paral E =10V, E2 = 4V, 5 =r2 =12 and R =20. Find the potential difference across battery 1 and battery 2. %3D resiste resiste E2 1.4 V Sol. H Res R res

asked Jan 20, 2020 by balaji.thirumalai

0 answers

(chatquestion)...be- ।दाव 0.8 10)117,194 (4aitsty+5 2 pulse tiouels Pu tue x ind sec, Wqw Toouels di Sm Pn nature Amenetic max. DR placoment partice Dalam-

asked Jan 20, 2020 by balaji.thirumalai

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(chatquestion)...A particle is projected up with a velocity of vo = 10 m/s at an angle of 0, = 60° with horizontal onto an inclined plane. The angle of inclination of the plane is 30°. The time of flight of the particle till it strikes the plane is (take g = %3D 10m/s?) D. 1/2/3 s C. 2/ V3 s A. 1s B. 2 s

asked Jan 20, 2020 by balaji.thirumalai

0 answers

(chatquestion)...As you can see when x tends to infinity then y also tends to infinity , therefore e^infinity = infinity And when x tends to -infinity , y tends to 0 therefore e^-infinity = 0

asked Jan 20, 2020 by balaji.thirumalai

0 answers

(chatquestion)...(JIMMER) 39. In SOCI,, the Cl-S-Cl and Cl-S-O bond angles are (a) 130° and 115° (c) 107° and 108° (b) 106° and 96° (d) 96° and 106° (WB JEE)

asked Jan 20, 2020 by balaji.thirumalai

1 answer

(chatquestion)...done in rotating the cos by op the needle in the displaced postion (3) 2 (2) J3w (4) W A current i, is flowing through an L-R circuit of time constant t The source of current is switched off at time t= 0. Let r be the value of (-di/dt) at time t=0, Assuming this rate to be constant, the current wll reduce to zerO in a time interval of Q.75 [1] to [2] et, [4] Q.76 A conducting rod AB of length /= 1 m is moving at a velocity v = 4 m/s making an angle 30 vth tn kannn uniform magnetic field B = 2T exists in a direction perpendiuclar to the plane of motion. Then C-C X X X X X [4] V-V=4V [3] Ve-VA= 8V [2] VA- Vg = 4 V [1]V- Ve = 8V In the circuit shown in fig. The jockey J is being pulled towards right so that the resistance in the circitis increasing. Its value at some instant is 5 Q. The current in the circuit at this instant will be 77 lellll [2] less than 4 A [114 A [4] may be less than or more than 4 A depending on the value of L ntont volocihuyout of a uniform [3] more than 4 A

asked Jan 20, 2020 by balaji.thirumalai

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(chatquestion)...Question:- the element present in plasma as well as the saliva are same except one that only present in plasma Options:- (A) sodium (B) chloride (C) bicarbonate (D) potassium 1:16 pn

asked Jan 20, 2020 by balaji.thirumalai

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(chatquestion)...54. What will be the product in thef ) (4), (3), (2), (1) @ (3), (2), (1), (4) (A.I.E.E.E. 2005) 49 1-Bromo-3-chlorocyclobutane when treated with- two equivalents of Na, in the presence of ether, CH2 (a) (1), (2), (3), (4) (c) (2), (3), (1), (4) NBS Br CH2 which of the following will be formed ? (Ь) of Br CI (a) (Ъ) CH,Br (I.I.T. 2005). (d 50.JAmong the following the strongest nucleophile is (b) CH,COOd. (d) NCCH ho) CH,NH, sis Dens etec tsonegado YA.l.l.M.S. 2005 55. KCN reacts readily to form 51) The major product formed in the following reac- tion is (a) ethyl alcohol (c) bromobenzene CH, CH,O

asked Jan 20, 2020 by balaji.thirumalai

1 answer

(chatquestion)...From a circular disc of radius R, a square is cut out with a radius as its diagonal. The center of mass of remainder part is at a distance (from the centre):-

asked Jan 20, 2020 by balaji.thirumalai

0 answers

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