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Questions asked by balaji.thirumalai
Questions
4474
questions
1
answer selected
(chatquestion)...upre) Rlowlng celli asu- A/Ag(M) IM) Cu 6= -0 46 V = 1.loV 240 24 Calulate em of the ll. Zn
other
telegram-59460
asked
Mar 11, 2020
0
answers
(chatquestion)...69. Which indicate maximum bond length between carbon (a) or (b) :- (a) (b) (1) a (2) b (3) a = b (4) can not compare Most
other
telegram-59458
asked
Mar 11, 2020
0
answers
(chatquestion)...스니 %3D 65=+ve 2 ,0 C2H OH +H %31 CHU,t Acekne AH= Toluenet 000...(Which is correct matched for homogenous ideal solution ?)
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telegram-59450
asked
Mar 11, 2020
0
answers
(chatquestion)...x² -ax +b 2. = 5, then a+ b is equal to :- If lim X→1 X-1 (a) -7 (b)-4 (c) 5 (d) 1
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telegram-59446
asked
Mar 11, 2020
1
answer
(chatquestion)...Limit using Factorisation & Rationalisation :- /1+V1+y* -Jz 1. lim y-0 y4 (a) exists and equals 2 (b) does not exist 1 (c) exists and equals 2 (d) exists and equals 2/2(/2+1)
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telegram-59438
asked
Mar 11, 2020
1
answer
(chatquestion)...21. A radioactive nucleus of mass M emits a photon of frequency v and the nucleus recoils. The recoil energy will be: [AIPMT (Prelims)-2011] (1) hv (2) Mc2 – hv h?v² (3) 2MC2 (4) Zero
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telegram-59435
asked
Mar 11, 2020
1
answer
(chatquestion)...A coin placed on a rotating turn table just slips if it is placed at a distance 4 cm from the centre. If the angular velocity of the turn table is doubled, it will just slip at a distance of (1) 3 cm (2) 4 cm (3) 2 cm (4) 1 cm
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telegram-59433
asked
Mar 11, 2020
1
answer
(chatquestion)...Question 7. Provide a counterexample for each of the following. i. For every real number x, if > 49 then x >7. ii. For all real numbers x > 0, we have x Sx'. If x and y are unequal positive integers and xy is a perfect square, then x and y are perfect squares. ii,
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telegram-59427
asked
Mar 10, 2020
0
answers
(chatquestion)...(4 Mass of the pulley is negligible and that of block is m. Now block is slightly displaced then its time period is eereses...(Pls solve)
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telegram-59420
asked
Mar 10, 2020
1
answer
(chatquestion)...MEGACOSM MATHEMATICS Synchronized Study of XII Boards + JEE Main & Advanced 2019 - 20 Class XI & XII Binomial Theorem...(ASI books fiitjee ki Sare subjects Ka pdf h kya Kisi k Pas???)
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telegram-59418
asked
Mar 10, 2020
0
answers
(chatquestion)...Two ivory balls are placed together at rest. A third identical ball moving with velocity u in line of first two balls 5 shown in figure collide head on elastically then 20 O Third ball comes to rest with second ball while first ball moves with speed u - Third ball comes to rest and other two move together with speed 2 All three ball move together with speed 3 All three ball move in such a manner each makes angle 120° to each other bitting the floor the
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telegram-59410
asked
Mar 10, 2020
1
answer
(chatquestion)...B(3, -8). (ii) Use Lagrange's mean value theorem to determine a point P on the curve y = vx -2 defined in the interval [2, 3] where the tangent is parallel to the chord joining the end points on the curve. (ISC 2008)...(Pls solve)
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telegram-59408
asked
Mar 10, 2020
1
answer
(chatquestion)...The dimensional formula 'of resistance in MKS Q system in which charge, Q, is fundamental quantity in taken as addition to mass, length and time, is [20 MLT"' Q²] 1) ML2 T2Q² 2) MLT Q2
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telegram-59399
asked
Mar 10, 2020
1
answer
(chatquestion)...THE PHYSICS OF HOLI Pichkiri mara- Gaal e abir - Static friction Boyle's Law mabirg = RV, = P, V2 ux N bhang er nesha Circular motion Rong balloon chhora - Projectile motion A u. =u cos e =usin e (H) U.u cos e u =u cos 8 u u sinja (R) L 1xw
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telegram-59397
asked
Mar 10, 2020
0
answers
(chatquestion)...THE PHYSICS OF HOLI Pichkiri mara- Gaal e abir - Static friction Boyle's Law mabirg = RV, = P, V2 ux N bhang er nesha Circular motion Rong balloon chhora - Projectile motion A u. =u cos e =usin e (H) U.u cos e u =u cos 8 u u sinja (R) L 1xw
other
telegram-59395
asked
Mar 10, 2020
0
answers
(chatquestion)...35. In the circuit, the potential difference between A and B is 20 V 2 µF 4 μF 8 µF 8 uF (1) 10 (2) 2.5 V (3) 10 V (4) 5 V...(Please answer this)
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telegram-59382
asked
Mar 10, 2020
1
answer
(chatquestion)...18. An electron moves in a circular orbit with a uniform speed v. It produces a magnetic field B at the centre of the circle. The radius of the circle is proportional to [2005] (a) (b) (c) (d)...(Iska answer kya hoga? Please explain)
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telegram-59380
asked
Mar 10, 2020
1
answer
(chatquestion)...111. 20 mL of a mixture of CO and H, were mixed with excess of O, and explode (0) 223.44 C) 98.9 was a volume contraction of 18 mL. All volume measurements corresponds to room temperature (a) Or (27°C) and one atmospheric pressure. Determine the volume ratio V1 :V2 of CO and H, in the original mixture. (c) Ba 124. The c (a) 125. The (a) 1: 2 (b) 3: 2 (d) 4:1 (c) 2:3
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telegram-59376
asked
Mar 10, 2020
1
answer
(chatquestion)...12. Prove that : *E9:- -*** V1+x - 1- V1+x + 1-x tan CoS x, %3D 4...(Solution please)
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telegram-59368
asked
Mar 9, 2020
1
answer
(chatquestion)...(a) 3.142 A m (c) 3 Am2 (b) 3.142 x 10 (d) 10* A m² moment of the ms cae (c) (Karmataka C p carrying omes four 2013 148. A current loop in a magnetic field (d) (a) can be in equilibrium in two orientations, bo (b) can be in equilibrium in two orientations, one the equilibrium states are unstable. e of the 2012 stable while the other is unstable (c) experiences a torque whether the field is unifom or non uniform in all orientations. (d) can be in equilibrium in one orientation. NER son is 155. on is...(Please tell the answer with reason?)
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telegram-59366
asked
Mar 9, 2020
1
answer
(chatquestion)...55. Suppose following reaction CH, 55. CH, CH, CH;-CH-Mgl + CH,-C-OH CH, The product AÎkane will be :- - Product CH-CH-Mgl + उत्पाद ऐल्केन होगी RO. Y CH;-CH,-CH, CH, CH, (1) CH; CH-CH, (1) CH,CH-C CH, ҫH, ҫH, CH, CH-C-CH, (4) CH (3) CH-CH-C CH, 56. Propanal on treatment with dilute sodium 56. M, ag Hil.
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telegram-59363
asked
Mar 9, 2020
1
answer
(chatquestion)...77. In AABC if sin A + sin B = sin? C and (AB) 10, then the maximum value of the %3D area of AABC is [MHT CET 2017] (B) 10 2 (D) 25 2 (A) 50 (C) 25...(Plz help)
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telegram-59356
asked
Mar 9, 2020
1
answer
(chatquestion)...f'0o. Two identical batteries each of e.m.f 2 V and internal resistance 1 Q are available to produce heat in an external resitance by passing a current through it. The maximum power that can be developed across R using these batteries is (a) 3.2 W (by 2.0 W e 1.28 W (d) (1990)...(Help
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telegram-59347
asked
Mar 9, 2020
1
answer
(chatquestion)...In Fig. (a) and in Fig. (b) TB, IC-TA. 1C d As a special case, if the body is translating, UA = Ug and the IC would be loc infinity, in which case o = 0. OF Solving thi Example 13 A rotating disc moves in the positive direction of the x-axis, . the equation (x) describing the position of the instantaneous axis of rotation the initial moment the centre c of the disc was located at the point O after wh it moved with constant velocity v while the disc started rotating counterclock with a constant angular acceleration a. The initial angular velocity is equal to Now, zero. Type 8. B Concep If th У it on the
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telegram-59345
asked
Mar 9, 2020
0
answers
(chatquestion)...Requirement of friction for accelerated p Let the friction f acts in forward direction. a = Ra %3D Fnet - R[ * %3D F+fR FR-fR or mR Solving this equation, we get...(How is net torque FR-fR ?)
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telegram-59336
asked
Mar 9, 2020
0
answers
(chatquestion)...3G 50% 7:03 pm Grapher Free a>z Implicit - 5x+8y<=200 Implicit - 10x+8y<=240 f(x)= yl 50 45 40 35 30 24 26
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telegram-59332
asked
Mar 9, 2020
0
answers
(chatquestion)...Plontx 60%com Plat 40% Cons chooses Plat chooseh A A Pollation coro seleted nooms PlE)-60% 30. 100 10 =40% %3D 10 PAJSノ~ 9 PlEU PLAIE) PIEMAEDT PEPA/E2) チナx1 %3D そる 39 13 42+31
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telegram-59323
asked
Mar 9, 2020
0
answers
(chatquestion)...Government has two plants of car manufacturing. Plant X manufactures 60% car and plant Y manufactures 40%. At plant X, 70% of the cars are maintaining pollution norms and in plant Y, 32. 90% of the cars are maintaining pollution norms. A car is chosen at random and is found to be fit on pollution norms. What is the probability that it is manufactured by plant X? SECTION-D Question nummbers 33 to 36 carry 6 marks each. Y and g: Y →Z be two invertible functions. Then show that gof is also invertible with
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telegram-59308
asked
Mar 9, 2020
0
answers
(chatquestion)...A. According to following reactions, CHF3 Ka , CF,+ H* CHCI, – Ka , CCl, + H* correct statement(s) is : (1) K. > K (2) CHF, act as a stronger bronsted acid than CHCI, (3) CCI is more stable than CF, (4) None of these 5. The product fom
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telegram-59295
asked
Mar 9, 2020
0
answers
(chatquestion)...Select correct option for the following graph:- 1) 11>12, f1<f2; 2) 11<l2, f1<f2; 3) 1>12, f1>f2; 4) 11<12, f1>f2. Where represent intensity of incident light and f represent frequency of the incident light Answer Pending Mar 9, 2020, 1:40:56 PM is...(Help)
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telegram-59292
asked
Mar 9, 2020
0
answers
(chatquestion)...A thin spherical shell of total mass M and radius R is held fixed. There is a small hole in the shell. A m is released from rest at distance R from the hole. This mass subsequently moves under the gravitational force of the shell. How long does the mass take to travel from the hole to the point diametrically opposite ? 16 mass Then KEPLER'S LAWS OF PLANETARY MOTION From eq. the
other
telegram-59290
asked
Mar 9, 2020
1
answer
(chatquestion)...A glioneler ha Thegadroromte (audd he couebed comrend throngh an annety capeldla of reading 2tha - the gelunemetion...(Please help out It's very urgent)
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telegram-59286
asked
Mar 9, 2020
0
answers
(chatquestion)...36 In which of following species hyperconjug possible? CH;-CH, a. b. d. d.
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telegram-59284
asked
Mar 9, 2020
1
answer
(chatquestion)...ACO3 ny of Flowering Plants . 199 cells : long, narrow, thin-walled arenchyma cells which are 1 with the sieve tube and n the lateral sides of are absent in *perms. PI- 1 compapion 'ds present al walls. NANCOS, CH3- こpis = in in e caubexyfletion N -COOH È H s☺ most stable 3>2> ২ ১ 4.0308 (b) Trachea vater and leaves multicellu cells called v (c E ch fa のてH2=CH CH CH DH through perforations in their ce End walls have opening (perfor. tachea are dead, without proto Presence of trachea is a charac angiosperms and not fouA tes and gymnosperms. CAPCHPOH of the order Gnetale Trochodendraceae. Jack vessels lignified and hese loose tissue. ptate. com cell an Sieve tube absent in (i) Each ire lignified walls an hanical support. u) Vessel members are erms.
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telegram-59281
asked
Mar 9, 2020
0
answers
(chatquestion)...Give reactivity order of decarboxylation? I) CH3-CH2-COOH, II) CH2=CH-COOH, 1) CHC—соон 1) I>II>III, 2) III>|I>I, 3) III>I>ll, 4) None is correct. Give me the correct answer with most suitable reason....(Please help)
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telegram-59278
asked
Mar 9, 2020
0
answers
(chatquestion)...(v) sin-1 + cos-1 V1 + x2 tan-1 (x2 + x + 1). Vx2 + 2x + 2...(Photo from
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telegram-59275
asked
Mar 9, 2020
0
answers
(chatquestion)...d. All of these 20. Which of following carbocation is least stable? сн, Moure CH, CH, o0T CH, D a. A b. B c. C
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telegram-59273
asked
Mar 9, 2020
0
answers
(chatquestion)...Gofficent of She min %3D m-k Show that, coeffient of
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telegram-59271
asked
Mar 9, 2020
0
answers
(chatquestion)...ANHGCM U Which tybe of salt (a) SA-WB (b) WA-SB ☺ WA-WB
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telegram-59267
asked
Mar 9, 2020
0
answers
(chatquestion)...47, hybridisation from other three species :- following has different 47. (1) NO2 (2) NO (3) NO, NO Find the product "X" :- 48. 48 Anhy. .AICI3 + Br-Cl →"X" CI CI (1) (2) HO.H Br | Br CI (3) (4) HO Br 19. Which of the following amines from N-nitroso derivative when treated with NaNO, and HCl ? Samsung Triple camera Shot with my Galaxy M30 000
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telegram-59252
asked
Mar 9, 2020
0
answers
(chatquestion)...Example 1 Find the area enclosed by the circle x + y = a. ce Solution From Fig 8.5, the whole area enclosed by the given circle B(0, a) = 4 (area of the region AOBA bounded by the curve, x-axis and the ordinates x = %3D 0 and x = a) [as the circle is symmetrical about both x-axis and y-axis] X' = 41 ydx (taking vertical strips) = 4[, Va -x° dx %3D...(Why we take 4 here)
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telegram-59247
asked
Mar 9, 2020
0
answers
(chatquestion)...(1) Zero (2) 8 r2 TC TC TC Ho (4) 4n 2r, TC TC 4n 2r, 2r, 5. 2r, . 10. A uniform magnetic field is restricted within a region of radius 1 m. The magnetic field changes with 2t k. A loop of radius 2 m is 3 time (t) as B = B, * outside the region of magnetic field as shown in the figure. The emf induced in loop is Loop 2 m (1) Zero 3 TB, (4) 8, TB or Rough Work し4 こ Jii I it L. I Rb *メロ トS
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telegram-59240
asked
Mar 8, 2020
0
answers
(chatquestion)...Neusotncin actually panatyzes the never so that inunclet cannut whin neurotoxin enters newe cells (a) Hhe Lontract. hin hanyuns This eventually imterferer with releose EO nn t fimulate nuusele to contract. f autylchiline acef 40 1ewe
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telegram-59238
asked
Mar 8, 2020
0
answers
(chatquestion)...dx -0 de -(2) de de 242b入 友メトカ入 1 tox-t seBadx=dt 사구 dt taT
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telegram-59232
asked
Mar 8, 2020
0
answers
(chatquestion)...de Inlazt cose de エニ dy Aa+oス dz /2 dz 2I こ 3)
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telegram-59223
asked
Mar 8, 2020
0
answers
(chatquestion)...cosi+ Ai 2ーえーズ 0 그L 20 ス64 seu(2-04)d2 of
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telegram-59225
asked
Mar 8, 2020
0
answers
(chatquestion)...(x-x)six de +(2) sid dt /2 adı しけa22
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telegram-59221
asked
Mar 8, 2020
0
answers
(chatquestion)...ley casx di lagf de 사구 ly casiw- lagz de loy sized- lap de=dt lay lasit dt
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telegram-59224
asked
Mar 8, 2020
0
answers
(chatquestion)...de de (2)-03x
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telegram-59222
asked
Mar 8, 2020
0
answers
(chatquestion)...413 dt to エニ Itoi?x (^-x) dx /2 エニュ /2 l00
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telegram-59220
asked
Mar 8, 2020
0
answers
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