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(chatquestion)...The angle between the vectors î-j and ĵ-k is (A) - (B) 0 (C) ; (D) 2*

asked May 24, 2020 by balaji.thirumalai

1 answer

(chatquestion)...The relation R in the set {1, 2, 3} given by R={(1,2), (2,1), (1,1)} is (A) symmetric and transitive, but not reflexive (B) reflexive and symmetric, but not transitive (C) symmetric, but neither reflexive nor transitive (D) an equivalence relation

asked May 24, 2020 by balaji.thirumalai

1 answer

(chatquestion)...The coordinate of the foot of the perpendicular drawn from the point (2, -3, 4) on the y-axis is (A) (2, 3, 4) (B) (-2, -3, -4) (C) (0, -3, 0) (D) (2, 0, 4)

asked May 24, 2020 by balaji.thirumalai

1 answer

(chatquestion)...The function rR-- is discontinuous at (A) both one-one an onto (B) not one-one, but onto (C) one-one, but not onto (D) neither one-one, nor onto

asked May 24, 2020 by balaji.thirumalai

1 answer

(chatquestion)...The function f(x) = x-1 is discontinuous at x(x² –1)

asked May 24, 2020 by balaji.thirumalai

1 answer

(chatquestion)...2. If cmf sin“ + con" ]-, then x is equal to co sin" (A) (B) - (C) (D) 1

asked May 24, 2020 by balaji.thirumalai

1 answer

(chatquestion)...1. The area of a triangle formed by vertices O, A and B, where (A) 5sq.units (B) 55sq.units (C) 65 sq.units (D) 4sq.units

asked May 24, 2020 by balaji.thirumalai

1 answer

(chatquestion)...3. The internal in which the function fgiven by -e" is strictly increasing, is (A) (-0,0) (B) (-,0) (C) (2,0) (D) (0,2)

asked May 24, 2020 by balaji.thirumalai

1 answer

(chatquestion)...P( WAwnw) = 5 16 x x 3 5w 15 14 4R An 56

asked May 24, 2020 by balaji.thirumalai

0 answers

(chatquestion)...E AA II МАTHЕMATICS 8. A bag contains 5 white, 7 black and 4 red balls. Three balls are drawn from the bag at random. The probability that all the three balls are white, is (a) 3/16 (b) 3/5 (c) 1/60(d) 1/56 ..

asked May 24, 2020 by balaji.thirumalai

1 answer

(chatquestion)...5. An n digit number is a positive number with exactly n digits. Nine hundred distinct n-digit numbers are to be formed using only the three digits 2, 5 and 7. The smallest value of n for which this is possible is (а) 6 (b) 7 (c) 8 (d) 9

asked May 24, 2020 by balaji.thirumalai

1 answer

(chatquestion)...V = 3 cal T-JEE P taksurfa. onal S 43. When a body is rolling without slipping on a rough hor (1) Always zero (2) May be zero the work done by friction is Always positive (4) Always negative...(With reason)

asked May 24, 2020 by balaji.thirumalai

1 answer

(chatquestion)...NO2 H,O/H A B KCN 11. Br The major product (B) is NO2 NO, СООН Services Pvt. Ltd.) Br COOH СООН (4) Foundations

asked May 24, 2020 by balaji.thirumalai

1 answer

(chatquestion)...NEET UNIT TEST -1_23.05.20 70. ElementIP IP2 IP3 IP4 IP5 IP6 IP7 80.0 109.3 141.2 186.8 225.3 X 7.6ev 15.0ev ev ev ev ev ev 14.5 29.6 47.4 74.4 97.8 551.9 666.8 Y ev ev ev ev ev ev ev The formula of the compound obtained from elements X and Y is (1) X2Y5 (2) XY (3) X3Y2 (4) X2Y3 Correct Answer: 3 Solution: Solution Not Available 71. The ILUPA C name of compound

asked May 24, 2020 by balaji.thirumalai

1 answer

(chatquestion)...A disc of mass M and radius R is rolling with angular speed w on a horizontal plane as shown in figure. The magnitude of the angular momentum of the disc about the origin O is y M (A) 글MR,w MR?w (B) MR w (В) 2 (C) MR²W (D) 2MR²W

asked May 23, 2020 by balaji.thirumalai

1 answer

(chatquestion)...Surface tension of a liquid, with increase in its temperature, (A) increases (B) decreases (C) remains the same (D) first increases and then decreases

asked May 23, 2020 by balaji.thirumalai

1 answer

(chatquestion)...According to Keplar's second law, the line joining the planet to sun sweeps out equal area in equal intervals of time. It is a consequence of law of conservation of (A) Linear momentum (B) Energy (C) Angular momentum (D) All of the above

asked May 23, 2020 by balaji.thirumalai

1 answer

(chatquestion)...The linear momentum of a particle moving in X-Y plans under the influence of a force is given as p (t) = A (î cos bt – ĵ sin bt) where A and b are constants. The angle between the force and momentum is (A) 0° (B) 45° (С) 60° (D) 90°

asked May 23, 2020 by balaji.thirumalai

1 answer

(chatquestion)...A particle moves in a straight line with its retardation proportional to its displacement. The loss of its kinetic energy for any displacement x is proportional to (A) ! 1 (B) (C) x? (D) e*

asked May 23, 2020 by balaji.thirumalai

1 answer

(chatquestion)...The trajectory of a projectile in a vertical plane is y= ax – ßx² where a and ß are constants and x and y are respectively the - horizontal and vertical distances of the projectile from the point of projection. The maximum height attended by projectile is (A) (B) 28 B (D) 2a (C)

asked May 23, 2020 by balaji.thirumalai

1 answer

(chatquestion)...A body slides down a frictionless inclined plans starting from rest. If S, and S,+1 be the distance travelled by the body during nth and (n+ 1)th seconds, then the ratio 'n+1 is S, 2n – 1 (A) 2n + 1 2n - (В) 2n + 1 2n + 1 2n (C) 2n – 1 (D) 2n – 1 -

asked May 23, 2020 by balaji.thirumalai

1 answer

(chatquestion)...A wire has a mass (0.1 ± 0.001)g radius (0.5 ± 0.005) mm and length (10 + 0.1)cm. The maximum percentage error in the measurement of its density is. (A) 1% (B) 2% (С) 3% (D) 4%

asked May 23, 2020 by balaji.thirumalai

1 answer

(chatquestion)...A string of negligible mass passing over a clamped pulley of mass m supports a body of mass M as shown in figure. The force exerted by the clamp on the pulley is. (A) (M+m)? + м2 g (B) (M+m)² + m² g 2 т (C) /2 Mg (D) /2 mg

asked May 23, 2020 by balaji.thirumalai

1 answer

(chatquestion)...46. The given figure shows one of the elements releasing intrauterine device. Select the option which shows the correct identification of the device and its feature. (1) CuT; suppress sperm motilyty and its fertilizing capacity. 2) CuT; make uterus unsuitable for the attachment of blastocysts. (3) Lippes loop; protect the users from contracting AIDS and STDS. (4) LNG-20; acts as spermicidal means and decrease the contraceptive efficiency....(Iska answer pehla option kyu nhi hai?

asked May 23, 2020 by balaji.thirumalai

0 answers

(chatquestion)...Question No.26 Bookm 87+12x12/(432÷3) = ? 87+12x12/(432÷3) = ?

asked May 23, 2020 by balaji.thirumalai

1 answer

(chatquestion)...Question No.28 1.00 If 40% of 'X' is more than 20% of 805 by 301, find the value of 'X'. x లో 40%, 805 లో 20% కన్నా 301 ఎక్కువ అయినచో, 'X' విలువను కనుగొనండి 21/148 (A) 1155 1155 (B) O 1355 (Chosen option) 1355 (C) 1455 1455 (D) 1255 1255 Ousetien le 2o 1.00

asked May 23, 2020 by balaji.thirumalai

1 answer

(chatquestion)...Question No.26 Bookm 87+12x12/(432÷3) = ? 87+12x12/(432÷3) = ?

asked May 23, 2020 by balaji.thirumalai

1 answer

(chatquestion)...Question No.15 Bookmark 37 typists can type 37 lines in 37 minutes. How many typists are needed to type 74 lines in 74 minutes? మంది టైపిస్టులు 37 లైన్లను 37 నిమిషాలలో టైపు చేయగలరు. 74 లైన్లను 74 నిమిషాలలో టైపు చేయుటకు ఎంతమంది టైపిస్టులు అవసరం అవుతారు (A) 33 33 (B) 37 (Chosen option) 37 (C) 39 39 (D) 35 35

asked May 23, 2020 by balaji.thirumalai

1 answer

(chatquestion)...Find the next number in the series. 11, 13, 29, 91, ? ఇచ్చిన శ్రేణిలో తదుపరి సంఖ్యను కనుగొనండి 11, 13, 29, 91, ? 16/148 (A) O 369 (Chosen option) 369 (B) O 345 345 (C) О 373 373 (D) O 377 377

asked May 23, 2020 by balaji.thirumalai

1 answer

(chatquestion)...Bookmark The average of 4 numbers is 37 and the 1st number is 1/3rd of the sum of the remaining numbers. What will be the first number? సంఖ్యల సగటు 37 మరియు 1వ సంఖ్య మిగతా సంఖ్యల మొత్తంలో 1/3వ వంతు. మొదటి సంఖ్య ఏమిటి (A) 39 39 (B) 41 41 35 35 (D) 37 (Chosen option) 37

asked May 23, 2020 by balaji.thirumalai

1 answer

(chatquestion)...Question No.3 1.00 Bookmark A fruit seller had some oranges. He sells 65% of oranges and still had 350 oranges. How many oranges he initially had? ఒక పండ్ల వర్తకుని వద్ద కొన్ని నారింజపండ్లు ఉన్నాయి. అతను 65% నారింజపండ్లు అమ్మిన తరువాత కుడా ఇంకా 350 నారింజపండ్లను కలిగివున్నాడు. మొదట్లో అతని వద్ద ఎన్ని నారింజపండ్లు ఉన్నాయి (A) O 800 800 (B) 600 600 (C) 1200 1200 (D) 1000 (Chosen option) 1000

asked May 23, 2020 by balaji.thirumalai

1 answer

(chatquestion)...2. A ring shaped tube contains two ideal gases with equal masses and relative molar masses M = 32 and M2 = 28. The gases are separated by one fixed partition P and another movable %3D stopper S which can move freely without friction inside the ring. M1 M2 The angle a in equilibrium as shown in the figure (in degrees) is (b) 219 (c) 129 (d) 192 (a) 291 rith two oir tight frictionless

asked May 22, 2020 by balaji.thirumalai

1 answer

(chatquestion)...5. Current through the 5 2 resistor is 10 V 52 10 V (b) 4A (d) 1A (a) 2A (c) (c) zero ww

asked May 22, 2020 by balaji.thirumalai

1 answer

(chatquestion)...Based on the text provided below Compound (A) C12H200 decolourises Br, in CCIA and it gives + ve test with Tollens reagent and Fehlings solution. 1) O3 A 2) Zn/H,O Please Ar An alkene + glyoxal HCHO In (A NH, - NH, H2 Mild acid B Alkane (C) (C Pd - C C contains only one chiral carbon. (D 30. H* X +Y (major) -> (A X can be (A) (B) 31. How many structural isomeric monochloro derivatives are obtained from (C). R. (A) 10 (B) 9 (C) 11 (D) 18 Comprehension Based Questions duced by

asked May 22, 2020 by balaji.thirumalai

0 answers

(chatquestion)...RIII Aeademy / Zenith Booklet/ Chemistry 40. AICI,-HCI 298 K Optically Inactive Cl2 , hv e (1 mole) Baeyer's AIC.KOH D- Reagent Number of chiral carbons presents inD is ?

asked May 22, 2020 by balaji.thirumalai

1 answer

(chatquestion)...The process of generating primitive shapes in computer-aided design (CAD) software is often mathematical-based. Case in point: a torus surface (commonly known as the 'doughnut'). This has the shape and Cartesian equation as follows: (Jx² + y² – R)' + z² = r? Figure 1: Description of a torus surface (source: web resource) In CAD software, this surface is usually generated by the following procedures: (1) The values of major radius, R and minor radius, r are fixed by the user. (2) Revolve a point on the x-axis for one round until a circle (line) is formed. (3) Revolve the circle (line) for one round about the z-axis until the torus (surface) is formed. Figure 2: Common process flow of generating a torus surface 1 Question (a): [4 marks] With the introduction as a hint, parameterize a torus surface with two parameters, u and v. State the parameterization as x(u, v), y(u, v), z(u, v), along with the range of u and v.

asked May 21, 2020 by balaji.thirumalai

0 answers

(chatquestion)...+++ 8. (48. Three identical charged capacitors each of capacitance 5 uF are connected as shown in figure/ Potential difference across capacitor (3), long time after the switches K, and K, are closed, is 100uC O 100µC @ K, 100µCO (1) 20 V (2) 10 V (3) 5 V (4) Zero

asked May 21, 2020 by balaji.thirumalai

1 answer

(chatquestion)...(4) 1025 kg/m3 The binding energy of an electron in ground state of He is equal to 24.6 eV. The energy that must be given to the atom so that second electron can be removed is (1) 49.2 eV (2) 54.4 eV (3) 79 eV (4) 84 eV...(Photo from

asked May 21, 2020 by balaji.thirumalai

1 answer

(chatquestion)...9:55 ... alll all 4G Y 32 Quiz Bot bot 09:34 [30/45] Choose how many of these are correct: 1.Diameter of DNA molecule3D20 Ao 2. Helix length= 34 Ao 3. At each base pair the strand turns 36 degrees 4. Distance between P-P = 11.1 Ao 5. %3D Distance between Sugar-sugar = 20 %3D Ao Final Results 0% 5 0% 3 100% 4 0% 2 09:34 [31/45] Enzymes involved in DNA Replication ☺ Message...(Ye question kaise solve Karna hai?

asked May 21, 2020 by balaji.thirumalai

1 answer

(chatquestion)...(4) 1025 kg/m3 The binding energy of an electron in ground state of He is equal to 24.6 eV. The energy that must be given to the atom so that second electron can be removed is (1) 49.2 eV (2) 54.4 eV (3) 79 eV (4) 84 eV Which of the following has the mass closest to

asked May 21, 2020 by balaji.thirumalai

1 answer

(chatquestion).... by hterpreting the expressions as appropriate derivatives, evaluate the following limits. tan- (1+ h)- lim h >0 (a) 3 sec-z- TI lim (b) 2-2 2- 2 CUwi fuvtious with reSpect...(Please help me out)

asked May 20, 2020 by balaji.thirumalai

0 answers

(chatquestion)...1. Find real constants m and n in the polynomial r(x) = x2 + mx +n such that r(x) lim = 6 x-2 x - 2 Determine whether or not these constants are unique.

asked May 20, 2020 by balaji.thirumalai

1 answer

(chatquestion)...A vertical line passing through the point (h, 0) intersects the 2 ellipse 4 y =1 at the points P and Q. Let the tangents 3 to the ellipse at P and Q meet at the point R. If A(h)=area of the triangle PQR, A, = max A(h) and A, = min A(h), 1/ 2<h<l 1/2<h<l 8 then A1 –8A2 = (JEE Adv. 2013) %3D

asked May 20, 2020 by balaji.thirumalai

1 answer

(chatquestion)...Give the product from the following reaction sequence Ethyleneglycol Collin's EtMgBr OH reagent H2O НО (a) (b) (c) (d) HO НО

asked May 20, 2020 by balaji.thirumalai

1 answer

(chatquestion)...10. Given that w denotes either one of the non-real roots of the equation 23 = 1, show %3D that (a) 1+ w + w? = 0, and (b) the other non-real root is w?. Show that the non-real roots of the equation 3 can be expressed in the form Aw and Bw?, where A and B are real numbers, find A and B.

asked May 20, 2020 by balaji.thirumalai

0 answers

(chatquestion)...6. For an elementary reaction, X(g) → Y(g)+ Z(g) the half life period is 10 min. In what period of time would the concentration of X be reduced to 10% of original concentration ? (а) 20 Min. (b) 33 Min (c) 15 Min (d) 25 Min

asked May 20, 2020 by balaji.thirumalai

0 answers

(chatquestion)...88. From the following reactions, (1) —х, —у, -z (2) -2x, –y, - 3 NO (9) +02 (9)–→NO, (g); a. 4 y (3) 2' (4) - AH = -x 2 2 b. C2Hg(g)+O2(g)- →2CO(g)+ 3H2O (1); AH = -y c. 203H3(g) + 1002(g) →6CO2(g) + 8H,0(1): AH = -z Which of the following options contain all values of enthalpy of combustion (AH,) for the given reactions?

asked May 19, 2020 by balaji.thirumalai

1 answer

(chatquestion)...Air at 105 kPa and 37°C flows upward steadily through a 6-cm diameter inclined duct at a rate of 65 L/s. The duct diameter is then reduced to 4 cm through a reducer as shown in Figure 3. The pressure change across the reducer is measured by a water manometer. The elevation difference between the two points on the pipe where the two arms are attached is 0.20 m. Determine the change of elevation height, h of the fluid levels in the two arms of the manometer. Molar mass for air is 0.02897kg/mol. (Guide: Find the density of air using ideal gas law. Use Bernoulli equations at two points with the points located at each of the manometer arms to determine the pressure drop across the two points. Then, determine the height from hydrostatic pressure formula) Air h Figure 3

asked May 19, 2020 by balaji.thirumalai

1 answer

(chatquestion)...Determine Vo in the following circuit: a) Use superposition principal b) Mesh analysis c) Node analysis d) Source transformation 2A 50 40 ww ww 12V 30 122 19 V ww...(Can someone help me for this one?)

asked May 19, 2020 by balaji.thirumalai

0 answers

(chatquestion)...The process of generating primitive shapes in computer-aided design (CAD) software is often mathematical-based. Case in point: a torus surface (commonly known as the 'doughnut'). This has the shape and Cartesian equation as follows: (x2 + y2 -R)+ z? = r2 Figure 1: Description of a torus surface (source: web resource) In CAD software, this surface is usually generated by the following procedures: (1) The values of major radius, R and minor radius, rare fixed by the user. (2) Revolve a point on the x-axis for one round until a circle (line) is formed. (3) Revolve the circle (line) for one round about the z-axis until the torus (surface) is formed. Figure 2: Common process flow of generating a torus surface 1 Question (a): [4 marks] With the introduction as a hint, parameterize a torus surface with two parameters, u and v. State the parameterization as x(u, v), y(u, v), z(u, v), along with the range of u and v. Question (b): [6 marks] A surface integral has the form of fS f(x,y, z) dS. At its simplest, f(x,y, z) = 1, this integral simply gives the area of the entire surface S. Use the surface integral method to determine the surface area of a torus. Refer to the information below for values of R and r: Table 1: Substitution of Rand r based on last two digits of student number (e.g. KIX1900 R Digit Rorr 1 6 3 4 5 10

asked May 19, 2020 by balaji.thirumalai

0 answers

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