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(chatquestion)...14. Two charges 2 c and 6 c are separated by a finite distance. If a charge of 4c is added to each of them, the initial force of 12 x 10 N will change to 1) 4x10 N repulsion 2) 4x10 N repulsion 3) 6x10 N aitraction 4) 4x10 N attraction
other
telegram-60536
asked
Mar 24, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...1( 2013 59. If ||E 2013 2013 х +r2) dx 2)|-k2 %3D x2 +r2 r=1 r=1 r=1 then k = (a) 2013 (b) 2013! (c) 20132 (d) 20132013
other
telegram-60533
asked
Mar 24, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...CH,OH 4. Predict the nature of reducing agent in the following 10. reaction; н ОН 1) LIAIH, 3 Н, РI 2) NABH, 4) both '1' and '2" 5. Phenol can ho nl from oliphatic alcohol
other
telegram-60523
asked
Mar 24, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...nyde, Y = m-Nitrobenzaldehyde 398 CH,-O-C-CH,-CH,-CH,-CH,-C-O-CH, %3D CH,-ONa a,A HO,B –s»C ? (1)D o (2) ČOOH COOH CH (3) O: (4) O:
other
telegram-60520
asked
Mar 24, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...In the expansion of (1+x+x?+x°+.... +x?")( 1+x+x?+x°+.. +x")?, Whatis the coefficientof x28? +x4)?, a. 195 b. 196 c. 224 d. 378
other
telegram-60508
asked
Mar 23, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...Q 24/180 A particle execute S.H.M. whose 2. displacement equation is y = 10 sin 20t- The 3 minimum time after which K.E. of the particle will be maximum....(P/60 p/120 p/90 p/30)
other
telegram-60505
asked
Mar 23, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...What is the height of the table .?? 170 cm 130 cm
other
telegram-60502
asked
Mar 23, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...24. How much inductance should be connected to 200 volt, 50 c/s supply so that a maximum current 0-5 A flows through it ?(P.S.E.B. 2000) [Ans. 1-8 H] a
other
telegram-1511
asked
Mar 23, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...the m2. 17, Fire is caught at height of 125 m from the fire brigade. To extinguish the fire, water is 6. coming out from the pipe of cross section 6.4 cm with rate 950 litre/min. Find out minimum velocity of water exiting from fire brigade tank (g = 10m/s³) e is nd e: A V, A (1) 5 m/s (2) 10 m/s (3) 25 m/s14) 50 m/s...(Ye kaise hoga Please explain and tell
other
telegram-60497
asked
Mar 23, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...A uniform rod of mass M pulled by force F on smooth surface. The value of tension T in the rod 9. varies with the distance X from the force end is according to the graph T. (1) (2) (3) Тл (4)
other
telegram-60493
asked
Mar 23, 2020
by
balaji.thirumalai
2
answers
(chatquestion)...3 tan x x² ) dx 51. The value of | is equal to 1/3 sin x+- (1) Zero (2) (3) (4) 1/2
other
telegram-60477
asked
Mar 23, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...%23 is ) 6a০ # Density of NHycl, is "Cristeliges in 1.53 Gim/ Cm? Latice. these Deugth of NH4 cl. of NH4C0 Hhe radiu the radits 181 of pm....((1)150pm(2)387pm______answers)
other
telegram-60470
asked
Mar 23, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...43. The average life of an excited state of hydrogen atom is of the order 10-8 s. The number of revolutions made by an electron when it is in staten= 2 and before it suffers a transition to state n = 9 are (a) 8.23 x 106 (b) 2.82 x 106 (c) 22.8 x 106 (d) 2.28 × 106
other
telegram-60453
asked
Mar 23, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...(K,) 04 M, 0.6 M 80. The number of unit (R = 8.314 J mol- K-l) :- (1) 12 (2) 6 (3) 4 nearly :- (1) 6 x J020 315 x 100 81. The cell reaction for 75. For the structure given below the site marked as S is a :- pH= (1) Spontaneous (2)Non-spontan 3) h equilibrium Ine (1) Tetrahedral void (3) Octahedral void (2) Cubic void (4) None of these (4) None of the Achiever (MAZC, MAZD,MAZE,MAZF,MAZP,MAZQ,MAZR, SPACE FOR ROUGH WORK...(Any explanation??)
other
telegram-60433
asked
Mar 23, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...0r Find ddn•cwhen xc"y Cr-y Jmtegr %3D
other
telegram-60429
asked
Mar 23, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...17.) Each parallel plate has effective area A. Electric field at point P shown in figure is 1=5 +2Q +3Q 1-3-1 3_= 2M TU TO 2Q I0 AEo (2) Aeo |= 10 (1) 2- (3) Zero (4) 2A€0
other
telegram-60426
asked
Mar 23, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...9. An insulated spring of spring constant K is placed between the plates of parallel plate capacitor if at equilibrium spring is compressed by x, and distance between plates is d, then electrical energy stored in capacitor is 5Kxod (1) ЗКx,d (2) 2 Kx,d (4) (3) Kx,d A notential difference is applied across the ends of
other
telegram-60424
asked
Mar 23, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...Q Find extensian in wire of Length'L' groen cross section'A', mass TI x Yyoung's modulus Y Underits own
other
telegram-60420
asked
Mar 23, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...A disc has an angular velocity @ about O. The ratio of angular velocity of point P w.r.t. A fixed to the ground and angular velocity of point P w.r.t. A fixed to the disc is (A) 2 (C) 1/3 (B) 3 (D) 1/2
other
telegram-60416
asked
Mar 23, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...cell of face 0.064 NM3 is unit Centre Nickule Cube of Volume Neww metre - 10-9m - 1012m peko n the atomic Yadius of Ni....(Find atomic radius)
other
telegram-60412
asked
Mar 23, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...Standard reduction potential of the half cell reactions are given below Co+(aq) + e- → Co2*(aq) ; E° = + 1.81 V Au+(aq) + 3e- → Au(s) ; E° = + 1.40 V 1,(s) + 2e-→ 21-(aq) ; E° = + 0.54 V Cu2+(aq) + 2e- → Cu(s) ; E° = + 0.34 V %3D The strongest oxidising and reducing agents respectively are (1) Au3+ and Cu (2) 1, and Au (3) Co3+ and Cu (4) Co2+ and Cu2+
other
telegram-60410
asked
Mar 23, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...48. Which of the following orbitals will not form sigma 55. V mple Bedo bond after overlapping? (a) s-orbital and s-orbital I (b) s-orbital and p-orbital -orbital and p-orbital (c) P a) Px-orbital and p-orbital...(Is question Ka answer kya hoga please explain)
other
telegram-60397
asked
Mar 23, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...25. The equation of a stationary wave is represented by y = 4 sin(TX) sin(20tt), where x and y are in metre and t is in second. The amplitude at x =: is 3 (A is wavelength) (1) 3 m (2) 2/3 m (3) 2 m (4) m 26. Two coherent waves represented by y, = Acos(ot-kx) and y, = Acos ot – kx + are superimposed. The amplitude of resultant wave is (1) A (2) 3A (3) 2A (4) /2
other
telegram-60378
asked
Mar 23, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...Partial Gractron (2?+2)(7-1)
other
telegram-60376
asked
Mar 23, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...A sheet of rubber and a sheet of cardboard each 2 mm thick are pressed together and their outer faces are maintained respectivély at 0°C and 30°C. If the thermal conductivities of rubber and cardboard 10. are respectively 0.13 and 0.05 w/m/k, find the quantity of heat which flows in one hour across a piece of the composite sheet of area 100 cm. Steam at 100° [T.U. 2050] 11.
other
telegram-60372
asked
Mar 23, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...A plank of mass 10kg rests on a smooth horizontal surface. Two blocks A and B of masses mA = 2 kg and mB = 1 kg lies at a distance of 3 m on the plank as shown in the figure. The friction coefficient between the blocks and plank are HA = 0.3 and ue = 0.1. Now a force F = 15 N is applied to the plank in horizontal direction. Find the time (in sec) after which block A collides with B. HA = 0.3 3m ...... HB 0.1 M=10kg...(Plz solve)
other
telegram-60369
asked
Mar 22, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...If we produce standing waves in wire A and B and the ratio of lengths of wire A and B is 4 : 1, then ratio of frequencies of fundamental waves produced in two wires is m1 B m2 a. V2 :1 b. 2 :1 c. 1:1 d. 1:2/2...(Anyone ???)
other
telegram-60360
asked
Mar 22, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...ズャーム + Sx- 72. Va-Xス+2 +a-2 Yationalise 2-2(1212-1) X-2 (ス +) 1a2ーり Va-2 (Vate -) put a= 2 ans 0
other
telegram-60352
asked
Mar 22, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...ズャーム + x-て こび Va-2X2+2 +Vx-2 now rationalise スー2(スュー) 5ati +1) (Varz-1) -2 (a+2)-1 X-2 ら-2 172 -1) ) put a=2 ans O
other
telegram-60349
asked
Mar 22, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...lim 2. Evaluate: x→2 Jx² -4 + Vx-2
other
telegram-60338
asked
Mar 22, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...et ne 2 be an integer. Take n distinct points on a circle and join each pair of points by a line segment. Colour the line segment joining every pair of adjacent points by blue and the rest by red. If the number of red and blue line segments are equal, then the value of n is JEE Adv. 2014)
other
telegram-60333
asked
Mar 22, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...शमाचानथा (- पोच(एिम ह "ज)
other
telegram-60331
asked
Mar 22, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...Q.5 Let f(x) = x + x2 + x4 + x8 + x16 + x32 The coefficient of x10 in f(f(x)) is .......
other
telegram-60327
asked
Mar 22, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...If z, z, and zz are any three distinct complex numbers such that z,=1, z= 2, z3 = 4, TT arg z2= arg z-r and arg z3 = arg z1 + then z,z, is equal to :
other
telegram-1508
asked
Mar 22, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...The palnt Ala,D. Bs toanelated. facalle! to Hue Ame 2-423 byy a alstamce of A unit. If meep proe Veon 4° Ehen the coordeemator ey A' [s Ta+22, (42J2 y2=252 662752,-1-2 N2-1-81)
other
telegram-60323
asked
Mar 22, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...The function f: R→R, is given by f(x)%= , is : 1 + x Options : 1 one-one and onto 1. 2. onto but not one-one 3. one-one but not onto 4. neither one-one nor onto
other
telegram-1506
asked
Mar 22, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...DATE PAGE sin 1 + Cos). -< in the simplut form: Eapress sin ; Wheне
other
telegram-60319
asked
Mar 22, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...(1) RSH (2) (3) Both (4) None of these Which of the following does not show 53 mutarotation ? 53. ÇH,OH (1) Н ОН НО Н ОН CH,ОН ОН НО Н Н (2) H. H. ОН Н CH,OH CHОН (3) ОН H. H. OH Н Н H. ОН H. CH,OH H. () CH,OH НОН Н/—О- CH,ОН О. Н ОН ОН H. H. ОН JOR LEADER TEST SERIES - JOINT PACKAGE COURSE / Page 16/52 Space for Rough Worl...(How can i determine this??)
other
telegram-60316
asked
Mar 22, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...The three boxes in this diagram represent the three major biosynthetic pathways in aerobic respiration. Arrow represent net reactants or products glucose Pathway A 2 Pathway B 6 Arrows numbered 4, 8, 12 can all be (a) NADH (b) ATP (c) H2O (d) FAD* or FADH2
other
telegram-60312
asked
Mar 22, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...A compound of formula A,B, has the hep lattice. Which atom forms the hep lattice and what fraction of tetrahedral voids is occupied by the other atoms :
other
telegram-60298
asked
Mar 22, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...5.1g NH,SH is introduced in 3.0 L evacuated flask at 327°C. 30% of the solid NH,SH 24. decomposed to NH, and H,S as gases. The K,, of the reaction at 327°C is R = 0.082 L atm mol 'K, Molar mass of S 32 g mol 01, molar mass of N = 14g mol-1) %3D
other
telegram-60295
asked
Mar 22, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...16. The major product of the following reaction is: CH. (i) dil. HCl/A (ii) (COOH)/ CH,O ОН Polymerisation
other
telegram-60292
asked
Mar 22, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...Q.5 Let f(x) = x + x2 + x4 + x8 + x16 + x32 The coefficient of x10 in f(f(x)) is .......
other
telegram-60285
asked
Mar 22, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...Option 2 ID: 40503673 Option 3 ID: 40503675 Option 4 ID: 40503674 Status : Not Answered Chosen Option:- Q.14 1n www 1'v Options 1 0.4 2. 0.25 3. 0.2 4. 0.5 Option 4 ID: 40503646 Status : Not Answered Chosen Option :-...(Photo from Sumit Rawat
other
telegram-60282
asked
Mar 22, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...Option 2 ID: 40503673 Option 3 ID: 40503675 Option 4 ID: 40503674 Status : Not Answered Chosen Option:- Q.14 1n www 1'v Options 1 0.4 2. 0.25 3. 0.2 4. 0.5 Option 4 ID: 40503646 Status : Not Answered Chosen Option :-...(Photo from Sumit Rawat
other
telegram-60280
asked
Mar 22, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...112. Wheat, grasses, monocotyledonae & plantae show:- (1) Same taxa of different categories (2) Different taxa of same category 112. (3) Same taxa of same category A YDifferent taxa of different category
other
telegram-60273
asked
Mar 22, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...A vertical rod of length l is moved with constant velocity v towards east. The vertical component of earth's magnetic field is B and angle of dip is 0. The induced e.m.f. in rod is: A. Blv cot 0 B. Blu sin 0 C. Blutan 0 D. Blv cos 0
other
telegram-60271
asked
Mar 22, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...of...(Please tell me configuration of dis R or S)
other
telegram-60261
asked
Mar 22, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...(b) The structural formula of menthol, the compound responsible for odour of peppermint, is given below: CH3 CH3 CH3 ОН OCCH, CH,CHCH, CH,CHCH, CH, СНCH, menthol (i) Give the IUPAC name for menthol....(Help me)
other
telegram-60255
asked
Mar 22, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...2/3) +67 14806 (2.4€a] 480.6 8.4 2.
other
telegram-60248
asked
Mar 22, 2020
by
balaji.thirumalai
0
answers
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