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(chatquestion)...Major Test-10 (P-1) 16 The d lnE en a ce tch carckin nt C hnde lat ia peand in te acad araf Correst Answer : 7 Solution 16 of 54 of
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telegram-1148
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Jan 13, 2020
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(chatquestion)...Major Tast-3 (P-2) Aree pardumf lorgt -21onmman2gh dactet The heakad fenmt w arg san ingut wt taher oral 2 The ra pesadet ane user e 3 The surt ard ast ke vhphmedterorel 4 The repetadet r 2 of 54 of
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telegram-1147
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Jan 13, 2020
by
balaji.thirumalai
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(chatquestion)...Major Test-11 (P-1) 17 r ker oosest e havngaoal un Eera dpale of dipemane A -ii on i placed akcag oad n pa a i Frd the Correct Aurwer: 1.00 Solution 17 of 54 of
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telegram-1145
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Jan 13, 2020
by
balaji.thirumalai
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(chatquestion)...The mor able contrmat of the following onmpound is 14 Me e Fr.Bu Me Me
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telegram-1142
asked
Jan 13, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...Example in Davisson-Germer experiment, a beam of electron accelerated through a potential difference of 54V get diffracted from a Ni crystal at an angle of so, to produce first maxima. The inter-atomic distance for the Ni erystal is C. 2.15 A D. 3.12A A1A B. 2A Ans: C
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telegram-1141
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Jan 13, 2020
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balaji.thirumalai
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(chatquestion)...Two rods of diferent materisis with coufficienta of themal expansion a & o roupectively, Youngs moduli Y. & Y respectively cf initial lengihs 6& raspectively of equal Ys Y. oo-sectional areas arn joined at one end. The free ands are fixed to two vertical wals as shown in figure. Tumperature of the sumounding is then increased by TC Find out the displacement of the jor of the rods
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telegram-1139
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Jan 13, 2020
by
balaji.thirumalai
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(chatquestion)...V3 = sec 0 = sec sec -1 Cos V3 Simplify the following: 6. mpie 24.4 eos sinx) (i) cot (cos ec "x) tion : (i) Let sinx = 0 x = sin e
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telegram-1137
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Jan 13, 2020
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balaji.thirumalai
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(chatquestion)...Which change requires a reducing agent? 1 ) Zn to Zn2+ 2) Cl- to ClO- 3) NO3- to NO2- 4) Br2 to Br+
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telegram-1135
asked
Jan 12, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...8. Which of the following represents the correct order of acidity in the given compounds a]PCH,COOH > CH,COOH > BrCH, COOH > CICH,COOH bjPCH,COOH > ClCH,COOH > BrCH,COOH > CH,COOH c) CH,COOH > CCH,COOH > FCH,COOH > Rr-CH,COCH d) CCH,COOH >CH,COOH > B:CH,COOH > ICH,COOH
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telegram-1133
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Jan 12, 2020
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balaji.thirumalai
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(chatquestion)...Two small sdentical electncal dipoles AB and CD each of dipole moment p are kept at an angle of 120 as shown in the figure If this wystem is subjected to rlectrnic field (E) directed along -a direction Then, the magnitude and dasection of the torque acting on this is Y; b. 120° X' He b :Y' p. along - Z-axi E along - Z-axis pE, almg Z-asis
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telegram-1131
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Jan 12, 2020
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balaji.thirumalai
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(chatquestion)...59. Calculate the pH of 4 x 10 M, Y(OH), solutio assuming the first dissociation to be 100% secon dissociation to be 50%:- (1) 11.78 (2) 9.9 (3) 2.5 (4) 2.22
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telegram-1129
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Jan 12, 2020
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(chatquestion)...In a mixture of equimolar solutions of NaHCO, and NaOH the species present in solution shall be:- (1) Na,CO, (3) NaOH 50 (2) NaHCO, + NaOH (4) NaHCO, + Na co, An aqueous solution contains 10 [H). If it is diluted by mixing equal volume of water then the concentration of OH in mol dm will be - 51. (1) 0-5 x 10o (2) 2 x 1010 (3) 10 (4) 10
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telegram-1127
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Jan 12, 2020
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balaji.thirumalai
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(chatquestion)...12. How many geometrical isomers are possible for [Pt(Py)(NH, )(Br)(CI)] c) 0 a) 3 b) 4 d) 15
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telegram-1125
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Jan 12, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...Tak Fok any trun Cndprodent ata , and Ea Pft, uin E) n LE Aard f ake tun ndepeodknt eums in a 3mpla
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telegram-1122
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Jan 12, 2020
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balaji.thirumalai
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(chatquestion)...1s) IS) x ry = e -sinx
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telegram-1120
asked
Jan 12, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...19) x. log dy - y &x =0
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telegram-1118
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Jan 12, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...18 Be 24 V, when connected to a 12 W ight balb. The peak current is A. (a) (b) /2 (33) (c) 2 (24) A capacitor of 250 uF is connected in parallel with (4) 2/2 an inductor of 0.16 mH. If their effective resistance (34) is 20 2, then resonant frequency is Hz. (a) 9 x 10 (c) 8 x 10 (b) 16 x 10" (d) 9 x 10
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telegram-1116
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Jan 12, 2020
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balaji.thirumalai
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(chatquestion)...HA + OHH,O +A + gk H+ OH-H,0 + q; k/ The enthalpy of dissociation of weak acid HA is (A) (9,+ q,) (B) (4, - 9,) (D) - (9,+4) (C) (4, -9,)
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telegram-1114
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Jan 12, 2020
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balaji.thirumalai
1
answer
(chatquestion)...A perpendicular is drawn from a point on the line 2 to the plane x+ y+z=3 such that the foot of the perpendicular Q also lies on the plane x-y+z-3. Then the co-ordinates of Q are: Options: (2,0, 1) 1. 2 (1,0, 2) 2. (-1,0,4) 3. (4,0, – 1) 4.
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telegram-1110
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Jan 12, 2020
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(chatquestion)...2.79 Find V in the circuit in Fig. P2.79. Vab 30 V +- 90 15 1 10 0 20 Figure P2.79
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telegram-1108
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Jan 12, 2020
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balaji.thirumalai
1
answer
(chatquestion)...T6/ Light of wavelength A strikes a photosensitive surface and electrons are ejected with kinetic energy E. If the kinetic energy is increased two time, (i.e., 2E), the wavelength must be changed to 2', where:
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telegram-1104
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Jan 12, 2020
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balaji.thirumalai
0
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(chatquestion)... 37. The solubility of lead sulphate in water is 143 x 10. Cakulate is solubiliny ina centinormal solution of HSO, KPSO)-16x 10 (D1x 10
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telegram-1100
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Jan 12, 2020
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balaji.thirumalai
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(chatquestion)...45. The TUPAC sane of the given smire A is: (a) 12 dimetykyclepropn th Cyclopope1.2tot ici 1Meheyti ntyteykopropene
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telegram-1098
asked
Jan 12, 2020
by
balaji.thirumalai
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(chatquestion)...ALsgi am idra no- hnew gas is njded presue t lat adiabahiralky fean, il 6ahm, 3ook where. fual wolund is 8it. OA Sanple a crtan pelyaFie mass onstat a state Taledate As volin is AC
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telegram-1095
asked
Jan 12, 2020
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balaji.thirumalai
1
answer
(chatquestion)...In the circuit shown below C, = 10 uF, C, = C, = 20 uF, and C, = 40 µF. If the charge on C, is 20 C then potential difference between X and Y is %3! (1) 2 V (2) 3 V 47. .Y (3) 6 V (4) 3.5 V
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telegram-1094
asked
Jan 12, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...P129-L 9-1 2P+29 P+9 +2x +1
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telegram-1092
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Jan 11, 2020
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balaji.thirumalai
0
answers
(chatquestion)...12. A reaction mixture containing H,, N, and NH, has partial pressures 2 atm, 1 atm and 3 atm respectively at 725K. If the value of K, for the x 10-5 atm reaction, N, + 3H,= 2NH, is 4.28 at 725K, in which direction the net reaction will go (1) Forward (2) Backward (3) No net reaction (4) Direction of reaction cannot be predicted
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telegram-1090
asked
Jan 11, 2020
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balaji.thirumalai
1
answer
(chatquestion)...18. K, к Temperature What would you consider by above information- (1) Equilibrium constant increases with increase in 10-2 10 -> 400K 450K concentration (2) more molecules form on left hand side (3) Energy is released (4) None
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telegram-1088
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Jan 11, 2020
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balaji.thirumalai
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(chatquestion)...When 50 keV electrons are made incident on a target material, the wavelength of K X-ray line was found to be 0.5A. When the accelerating potential is increased to 100 kV, then the wavelength of K Xray-line from the same target will be (1) 0.25 A (2) 0.5 A (3) 0.75 A (4) 1.0 A
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telegram-1086
asked
Jan 11, 2020
by
balaji.thirumalai
1
answer
famo (2+1)" (x-2)94
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telegram-1084
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Jan 11, 2020
by
balaji.thirumalai
0
answers
W ARS 1735 2019QP PH epr iem, a sara i
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telegram-1082
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Jan 11, 2020
by
balaji.thirumalai
0
answers
(g)Write the structural formulae of A, B, C. D in the following reactions : он CICI, NaO CC, NaOH >C+D (i) Write equation of the following conversion : Salicyclic acid to aspirin.
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telegram-1080
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Jan 11, 2020
by
balaji.thirumalai
1
answer
V3-2x (s) y= In Je
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telegram-1078
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Jan 11, 2020
by
balaji.thirumalai
0
answers
A sphere, a cube and a thin circular plate, all made of the same mass and finish are heated to a temperature of 200°C. Which of these objects will cool şlowest, when left in air at room temperature? O The sphere (2) The cube (3) The circular plate (4) All will cool at same rate
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telegram-1075
asked
Jan 11, 2020
by
balaji.thirumalai
1
answer
(v) y= In(x°e*")
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telegram-1073
asked
Jan 11, 2020
by
balaji.thirumalai
0
answers
22. The IE, & IE, of three elements A, B& Care given as (IE in KJ/mol). A IE, IE Identify the element which represent a non-metal- 400 550 1150 2650 1070 2090 (1) A (3) Both A & B (2) B (4) C
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telegram-1071
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Jan 11, 2020
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balaji.thirumalai
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3.0g of anhydrous nitrate from group 2 metals is decomposed. 1.54g og gas is produced. what is the nitrate compound? chemistry answers as level past papers
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telegram-1069
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Jan 11, 2020
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balaji.thirumalai
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37, The major product of the following reaction is: G,cooOH он (a) (e) (4) 38. h the given reaction,
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telegram-1067
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Jan 11, 2020
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balaji.thirumalai
0
answers
Tun stems PCLig PO . C and For seactom aA LmM. In condel ot alcenky wle ineae, degree oi haorn decreses prosente that COCy Cog C are kareoly oaitrium in a el at eonstnt wlme ome Cois introdued in the vesselat corstant vckie, men at new eguitem the cuncentration ol (1 PCL s increaes PC, remains unchanged PCL, is decresses MIC, is increases 130 --m (41 a> It+ m
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telegram-1065
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Jan 11, 2020
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balaji.thirumalai
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50 A (d) 3150 A Anight ts traveling from air into a medium. Velocity of light in a medium is reduced to 0.75 times the velocity in air Assume that angle of incidence T ls vey small, the deviation of the ray is (MH CET 2015) (a) i (b) 3 31 (d) 4 (c) 4
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telegram-1063
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Jan 11, 2020
by
balaji.thirumalai
1
answer
Example 7.1 A dihybrid having genotype AaCc is crossed uith te doble recessive parent, i.e. aacc. The resulis of F, generation are (a) 37% dominant genes at both the loci (AAc) (b) 37% recessive genes at both the loci (aacc) () 13% dominant genest at Ist locus and recessive at nd (Ac/ac) (d) 13% recessive genes at 1st locus and dominant at lind (ac/ac) Find out the approximate distance between genes A and C from the results given?
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telegram-1059
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Jan 11, 2020
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balaji.thirumalai
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49. The type and number of chelate rings present in complex, FeEDTA are (1) Six membered, Five (2) Six membered, Six (3) Five membered, Five (4) Five membered, Six
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telegram-1057
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Jan 11, 2020
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balaji.thirumalai
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1- tan x EXAMPLE 5 Differentiate w.r.t. x. 1+ tan x
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telegram-1054
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Jan 11, 2020
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balaji.thirumalai
1
answer
7. Which of the following is most reactive towards nucleophilic substitution? (2) RCONH, (1) RCOCI (3) (RCO),0 (4) RCOOR CH,
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telegram-1053
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Jan 11, 2020
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balaji.thirumalai
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3. A particle is thrown af an angle u = sin 5. air as shown in the figure. The angle received from the inside water is Hwaler 3. 3. ) 15° 3) 30° (2) 45° (4) 60"
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telegram-1051
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Jan 11, 2020
by
balaji.thirumalai
1
answer
(1+x)-e is : 80. lim- (b) - e (d) - el2 (a) e (c) - 2e
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telegram-1048
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Jan 11, 2020
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balaji.thirumalai
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175. If H, + 0,→HO;AH-- 68.39 kCal K + H,O + water KOH(ag) + 2 H, AH --48.0 kCal KOH + water → KOH (ag) AH -- 14.0 kCal the heat of formation of KOH is- (1)- 68.39 + 48-14.0 (2) – 68.39 - 48.0 +14.0 (3) +68.39-48.0 + 14.0 (4) + 68.39 + 48.0- 14.0
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Jan 10, 2020
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balaji.thirumalai
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44 27.6N 21. A rectangular block is 10 cm x 10 cm x 15 cm in size is floating in water with 10 cm side vertical. If it floats with 15 cm side vertical, then the level of water will Rise (2) Fall (3) Remain same Change according to density of block (4)
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Jan 10, 2020
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balaji.thirumalai
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helght. Gremple 134 A luall is thruen uparde from the top of a aer 40 laich ariha rlocity of 10 ms Find the time whe str he und Tale g-10 ms
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Jan 10, 2020
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balaji.thirumalai
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A- 2y. 2=y, /4 4) 16. When two sound waves with a phase differ ence of a/2, and each having amplitude Aand frequency , are superimposed on each other, then the maximum amplitude and frequency of resultant wave is 1) शिव छद्र शि a 2) V2 r Tho ener DOsing waves are represented by the
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Jan 10, 2020
by
balaji.thirumalai
1
answer
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