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(chatquestion)...n! llustration 1 expansion of of a. 10 Find the sum Tlustration 7.30 k=0 Sol. The su

asked Jan 24, 2020 by balaji.thirumalai

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(chatquestion)...22, the current through it will be (b) 0.6 A co (d) 2.0 A (c) 1.0 A Va) 0.5 A 57. In the circuit shown, the voltage V, across capacitor C ve of www C= v VO 65. A th 2. (a) is in phase with the source voltage V (b) leads the source voltage V by 90° (c) leads the source voltage V by an angle between 0° and 90° (d) lags behind the source voltage V by an angle between 0° ). 66. L and 90° 58. When a dc voltage of 200 V is applied to a coil of self, inductonce (a 7 )U

asked Jan 24, 2020 by balaji.thirumalai

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(chatquestion)...17. Individuals having homomorphic *** chromosomes produce (1) Only one gamete in complete life span (2) One type of gametes (3) No gametes (4) Two type of gametes

asked Jan 24, 2020 by balaji.thirumalai

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(chatquestion)...Serpendicular. 3 15. If u= 3 and vector u is equally inclined to the e angle unit vectors i j and k, find u. 16. If the line passing through origin makes angles 0,, 0,, 0, with the planes XOY, YOZ and ZOX respectively, then prove that points maving cos² 0,+cos²0,+cos²0,32. O and 17 If a variable line in two adjacent positions has direction cosines I, m, n and +8l, m+ôm, n+8n, 3, 4), s of show that the small angle 80 between two positions is given by (80)²=(8()²+(&m)²+(&n)*. that two vectors whose direction lotions al + bm + cn = 0 18. Prove %3D are

asked Jan 24, 2020 by balaji.thirumalai

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(chatquestion)...A colour blind man marries a woman with normal sight who has no history of colour blindness in her family. What is the probability of their grandson being colour blind? [Re-AIPMT-2015] (2) 0.5 (1) 0.25 (3) 1 (4) Nil

asked Jan 24, 2020 by balaji.thirumalai

1 answer

(chatquestion)...Illustration 7.10 Find the term independent of x in the expansion of (1 +x+ 2r) [(3x²/2) - (1/3x). Sel

asked Jan 24, 2020 by balaji.thirumalai

1 answer

(chatquestion)...Ct)

asked Jan 24, 2020 by balaji.thirumalai

0 answers

(chatquestion)...3 - x2 dx. Evaluate 9. ?)? x²)² (3+x' 3-х2 (3 + x?)*

asked Jan 24, 2020 by balaji.thirumalai

1 answer

(chatquestion)...56. One set of the plant was grown at 12 hours day and 12 hours night period cycles and it flowered while in the other set night phase was interrupted by flash of light and it did not produce flower. Under which one of the following categories will you place other set of plant? (1) Long day (2) Darkness neutral (3) Day neutral (4) Short day

asked Jan 24, 2020 by balaji.thirumalai

1 answer

(chatquestion)...Pouve LAQIIS, Electrostatic Potential and Capacitance 137 : Figure shows a combination of twelve capacitors, each of capacitance C, forming a cube. Find the equivalent capacitance of the combination (a) between the diagonally opposite corners A and B of the cube (b) between the diagonally opposite corners A and D of a face of the cube. A- (a)

asked Jan 24, 2020 by balaji.thirumalai

1 answer

(chatquestion).... The figure shows kite ABCD and the measures of marked angles. Find a and b. B 2a+30° 3b-100 b+20° a+ 50°

asked Jan 24, 2020 by balaji.thirumalai

1 answer

(chatquestion)...dx Evaluate х

asked Jan 24, 2020 by balaji.thirumalai

1 answer

(chatquestion)...An infinite number of identical capacitors each of capacitance 1 µF are connected as in the adjoining figure. Then the equivalent capacitance between A and B is : 4 4. 8 capacitors 16 capacitors 00 (2) 2 µF (1) 1 µF (3) F (4) ∞

asked Jan 23, 2020 by balaji.thirumalai

1 answer

(chatquestion)...The length of thin wire required to manufacture a solenoid of inductance L and length l, (if the cross-sectional diameter is considered less than its length) is :- TLl (1) 4TLl (2) V Ho V 2H0 2 TLl (3) V Ho TTLl (4)

asked Jan 23, 2020 by balaji.thirumalai

1 answer

(chatquestion)...Q. find the ри оf mirdng Cо.Im, 200ml) Hcoон ( Ка- 10"%) s co.lM,50 mL) ea (OH) Ka = fно) v 4.6 (а) ч.3 5.3

asked Jan 23, 2020 by balaji.thirumalai

1 answer

(chatquestion)...10. An inductance of 2H carries a current of 2A. T6 10. prevent sparking when the circuit is broken, a capacitor of 4uF is connected across the inductance. The voltage rating of the-capacitor is of the order of: (1) 1000 V (2) 10 V (3) 100 V (4) 10ª V

asked Jan 23, 2020 by balaji.thirumalai

1 answer

(chatquestion)...#1444375 A bus is moving with velocity of 5 ms-' towards a huge wall. The driver sounds a horn of frequency 165 Hz. If the speed of sound in air is 335 ms1, the number of beats heard per second by a passengers in the bus will be 3 A 4 CORRECT ANSWER D

asked Jan 23, 2020 by balaji.thirumalai

1 answer

(chatquestion)...How many P-0-P linkage (s) are present 15. P,O, ? (2) 4 (3) 5 (1) 3 (4) 6

asked Jan 23, 2020 by balaji.thirumalai

1 answer

(chatquestion)...An oval mass, of white mater called the pons varolii, lies above the medulla oblongata. .. Together with medullary rhythmicity area, they help control respiration. It has grey matter inside and white matter outside. e https://www.embibe.com > biology Learn Pons Varoli meaning, concepts, formulas through Study Material, Notes.. 9 Feedback About Featured Snippets PEOPLE ALSO ASK What happens if there is damage to the pons? What is a PON in the brain? What is the function of Pons varolii? Search Discover Updates Recent More

asked Jan 23, 2020 by balaji.thirumalai

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(chatquestion)...90. Which is correct about pons varolii ? (1) Situated between midbrain & M.O. (2) Pons contains pneumotaxic centre (3) Inner gray, outer white matter (4) All of the above

asked Jan 23, 2020 by balaji.thirumalai

1 answer

(chatquestion)...(c) (d) 2 The fundamental frequency of a closed pipe is 220 Hz. 13 of the pipe is filled with water, the frequency of If the first overtone of the pipe now is (b) 440 Hz (a) 220 Hz (c) 880 Hz (d) 1760 Hz 14The equation of stationary wave along a stretched TIX cos 40 nt wherex and y are string is given by y = 5 sin in centimetre and t in second. The separation between two adjacent nodes is : (a), 6 cm (b) 4 cm €) 3 cm (d) 1.5 cm A bus is moving with a velocity of 5 m/s towards à huge wall, the driver sounds a horn of frequency 165 Hz. If the speed of sound in air is 355 m/s, the number of beats heard per second by a passenger on 15 the bus will be (a) (b) (c) (d) 6. AFA orten 16 Two identical sinusoidal waves each of amplitude 5 mm with a phase difference of Tt/2 are travelling in the same direction in a string. The amplitude of the resultant wave (in mm) is Zero (a) 5/2 (c) (d) 5/VZ 5/2

asked Jan 23, 2020 by balaji.thirumalai

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(chatquestion)...To form the combination of capacitors, each capacitor is of 2 µF and can withstand maximum of 200 V are provided. The combination of capacitors can be connected across 1000 V with equivalent capacity 2 µF. Minimum number of capacitor used to form this combination is

asked Jan 23, 2020 by balaji.thirumalai

1 answer

(chatquestion)...The nerve cell can be distinguished from other cells of the body by the presence of :- (1) Neuroplasm (2) Neurolemma (3) Mitochondria (4) Neurites

asked Jan 23, 2020 by balaji.thirumalai

1 answer

(chatquestion)...шоric acid (4) All of these. 8. In which of the following per-ic acid no of oxygen atoms equal to its -ic acid ? (1) Perbenzoic acid (2) Pernitric acid (4) Permagnic acid (3) Perchloric acid

asked Jan 23, 2020 by balaji.thirumalai

1 answer

(chatquestion)...(3) Ph H. 19. Most acidic hydrogen is present in I3I (1) CH,-C-CH,-C-O-CH, I3I (2) CH,-O-C-CH,-C-0-CH, %3D %3D %3D (3) CH,-C-CH,-C-CH, CH.-C- CH,- CH,

asked Jan 23, 2020 by balaji.thirumalai

1 answer

(chatquestion)...Fings whose force constants are 2k, 18 2k, k and 2k respectively are attached to a mass M kept on a frictionless plane (as shown in figure). If the mass M is displaced in the horizontal direction, then the frequency of oscillation of the system is kitke 2k 2k 2k 4k (b) 2т 2n V 4M 7k (c) 2n V7M (d) 2л V М 19 A spring with 10 coils has spring constant k. (It is exactly cut into two halves, then each of these new springs will have a spring constant (a) k/2 Equations y, = A sin ot and y, = represent S.H.M. The ratio of the amplitudes of the two motions is (a) (c) 0.5 (d) 2 -1 If a simple pendulum is taken to place where g decreases by 2%, then the time perioc (b) Increases by 2% (a) Decreases by 1% fa) Increases by 1% (c) Increases by 2%

asked Jan 23, 2020 by balaji.thirumalai

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(chatquestion)...(b) A For given electric voltage signal dc value is 628 (a) 6.28 V (b) 3.14 V (d) O V (c) 4 V When a silicon PN junction is in forward biased

asked Jan 23, 2020 by balaji.thirumalai

1 answer

(chatquestion)...Whether the dialation and constriction of pupil caused due to the contraction and relaxation of sympathetic and parasympathetic nervous system respectively or due to the relaxation and contraction of sympathetic and parasympathetic nervous system respectively?

asked Jan 23, 2020 by balaji.thirumalai

0 answers

(chatquestion)...Six indentical capacitors are joined in parallel charged to a potential difference of 10volt, separated and then connected in series, i.e. The positive plate of one is connected to the negative plate of the other. Then the potential difference between the free plates is - 15. (A) 10 volts (B) 30 volt (C) 60 volt (D) 10/6 volt

asked Jan 23, 2020 by balaji.thirumalai

1 answer

(chatquestion)...x - 2 lim (A) x² - x x - 3x²+ 2x_

asked Jan 23, 2020 by balaji.thirumalai

1 answer

(chatquestion)...Read the following statements and choose the correct option w.r.t. true and false statements. (a) Sensory ganglion concerned with spinal reflex arc is located in ventral root of spinal cord. (b) Spinal accessory and hypoglossal nerves are not cranial nerves in frog. (c) Parasympathetic ganglia lie near or within the visceral organs. (d) Sympathetic nerve fibres constitute the thoracico-lumbar outflow. (d) (b) (a) (c) T. (2) T (3) F (4) T

asked Jan 23, 2020 by balaji.thirumalai

1 answer

(chatquestion)...llustration 6.96 A person is permitted to select at least one and at most n coins from a collection of (2n + 1) distinct coins. If the total number of ways in which he can select coins is 255, find the value of n. Sol. We have, 2n+C, + 2n+C, + ... + 2nC, = 255 Also the sum of binomial coefficients is (1) %3D 2nt Cntl "Cy0el 2n+ C, + 2n+C, + … + 2n+lC, + = (1 + 1)²+1 = 22 %3D %3D = 22n+1 2n+1 C 2n41 Co+2(²n+!C, + 2n\C, + …· + 2n+\ C,) + 1+ 2(zɔɔ) + 1 = 22n + 1+ 255 = 22 22n = 2 or n = 4 ... + ("Ɔ«z+ or %3D or %3D %3D or

asked Jan 23, 2020 by balaji.thirumalai

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(chatquestion)...The order of nucleophilicity (a) R and S P. 10. (b) P and Q The major product obtained in the reaction below is (c) Q and S (d) P and S (a) Q>R>S>P (E The pair of conforE and HCI CH2 (a) and (c) (a). (b) (c) Cl 7(d) The major mon X6. И. The rates of acetolysis for the following norbornyl derivatives are in the ofie TSO. н. OTs H. OTs

asked Jan 23, 2020 by balaji.thirumalai

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(chatquestion)...V ALLEN 50. An electrochemical cell is constructed as : Zn|Zn* (0.IM) || H* (XM)|(H,) Pt Zn |Zn 1 bar ; E 2.17. =-0.76V Zn*IZn If emf of cell is 0.17V then pH of cathodic compartment is : (1) 2.5 (2) 9.5 (3) 11.5 (4) 7

asked Jan 23, 2020 by balaji.thirumalai

1 answer

(chatquestion)...0.96K/s Z 4N 4G VOLTE 8:07 PM 25% Coelomate Present Chordata Present Most Expec... 2. Which of the following is not the function of water transport system in sponges? Canal Syptem A. Circulation of food on B. Respiratory gas exchange C. Removal of wastes Aquiferen; line Jep D. Neural control neet 3. How many of the following animals are endoparasites? Hirudinaria, Ancylostoma, Ascaris, Taenia, Asterias, Periplaneta, Apis. A. 4 B. 5 С. З 3-A. D. 2 neet 4. How many of the following structures are concerned with excretion? Nephridia, Colloblasts, Flame Cells, Radula, Statocysts, Arištotle's Lantern, Renette Cell, Organ of Bojanus. A. 5 B. 4 4-8 С. З D. 6 ...

asked Jan 23, 2020 by balaji.thirumalai

0 answers

(chatquestion)...OO00000 000 159. Flor (1) Occipetal lobe (2) (4) Auditory area - A56. Which of the following mRNA is translated completely ? 47 C) (A) 5' AUG UAA UUA AAG AAA 3' A. 51 160. WI (B) 5' AUG CUC UUC CCC UGA 3' (1 (B 54 (C) 5' AUG UAC AGU UỤC UAG 3' 93 55 94 56 (2 95 96 (D) 5' AUC UUC ACU GUC UGA 3' (C) (D 97 (D) 98 60 (1) A and B 99 A) A) 101 61 (D 100 62 B) (A) A) 103 (C (2) B and D (D 102 (D (C) 64 (A) 65 (A) (B (D (C) 104 B) 8) B, C, D (A) (B) (A) 68 105 (A 106 A) C) (B) Leader (MLA,C,D,E, G,H,I,M,SP,P,V) Achiever (MAZB 107 (A) (4) B and C 108 C) 109 B) 110 (A 111 (A) (B A) 112 (C) 113 (B 114 115

asked Jan 23, 2020 by balaji.thirumalai

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(chatquestion)...73, Which of the following statement is not true for man? (a) Forceful expiration is an active process (b) Mammals have negative pressure breathing (c) Internal intercostal and abdominal muscles are muscles of forceful inspiration (d) Respiration excretes CO2, water etc.

asked Jan 23, 2020 by balaji.thirumalai

1 answer

(chatquestion)...(144.) Which one of the following groups of amniotes and endothermic :-, 2) Birds JAmphibians (45. Whigh is living fossil among following? t Bombyx CAY Anopheles (1) 3 (3) 3 145. निम्न (1) f Tanicates 3) Bony fishes Neopilina Laccifer What is common for the given four animals? (3) 146. दिए 146. ) All are marine LAII have jointed legs ) AH have three pairs legs (4 All can fly 47 Some organisms are given below in the hist: 147. Bufo, Testudo, Columba, Canis, Corvus, Camelus, Chameleon, Hyla avees, man How many organisms among these are warm blooded? A) Two Thres (4) Five Four FTS-20/25

asked Jan 23, 2020 by balaji.thirumalai

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(chatquestion)...ALLEN Nurture 30. The position of a particle (in metre) at a time t sec is given by the relation = (3tî -tj+4k). 30. Speed of the particle at t = 2 sec will be :- (1) 2 m/s (2) 3 ms (3) 4 m/s m/s 31. 31. For a particle if x = t, y = t then equation of its path will be :- (2) y = x² (4) x² = y² (1) y = x (3) x = y A packet is dropped from a balloon going upward with a velocity of 10 m/s, the velocity of packet after 2 sec will be (g = 10 m/s²) :- 32. (2) -10 m/s () 30 m/s (4) -20 m/s (3) 20 m/s Displacement-time graph is 33. Corresponding velocity-time curve will be :- V. (2)

asked Jan 23, 2020 by balaji.thirumalai

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(chatquestion)...(4) None 4. Calculate the minimum and maximum number of P-O linkages of identical length in P0 10- (If the answer is 3 and 18, then represent as 318)

asked Jan 23, 2020 by balaji.thirumalai

1 answer

(chatquestion)...iodine species? (a) I>I>I (c) I>I>I 73. [1997] У. (b) I>I->I* (d) I>I>I* rrectly of the Regarding F and CI which of the following statements is/are correct? (i) Cl can give up an electron more easily than 20071 [1996] (ii) CI is a better reducing agent than F (iii) Cis smaller in size than F (iv) F can be oxidized more readily than CI (a) (i) and (ii) (c) (iii) and (iv) 74. not in st is ? 20061 erty in (b) (i), (ii) and (iv) (d) only (i) A certain compound (X) when treated with copper sulphate solution yields a brown

asked Jan 23, 2020 by balaji.thirumalai

1 answer

(chatquestion)...Alcokol PCC/Po C4-Cn-Ch Anhy Crog

asked Jan 23, 2020 by balaji.thirumalai

0 answers

(chatquestion)...09. Assertion :- [Cu(NH,),J²+ and [Cu(CN),J³- ions are coloured. :- [Cu(NH,),]²+ involves dsp² hybridisation with one unpaired electron but [Cu(CN),1- involves sp' hybridisation with no Reason unpaired e. (1) A (2) B (3) C (4) D

asked Jan 23, 2020 by balaji.thirumalai

1 answer

(chatquestion)...09. Assertion :- [Cu(NH,),J²+ and [Cu(CN),J³- ions are coloured. :- [Cu(NH,),]²+ involves dsp² hybridisation with one unpaired electron but [Cu(CN),1- involves sp' hybridisation with no Reason unpaired e. (1) A (2) B (3) C (4) D

asked Jan 23, 2020 by balaji.thirumalai

1 answer

(chatquestion)...One mole of an ideal monatomic gas undergoes à process described by the equation PV3 = constant. The heat capacity of the gas during this %3D process is 3 R (b) (a) 2 (c) 2R (d) R (NEET-II 2016)

asked Jan 23, 2020 by balaji.thirumalai

1 answer

(chatquestion)...6. Co-ordination isomerism is possible in : (1) [Ag(NH,),][Ag(CN),] (2) [Pt(en),][PtCl,] (3) [Pt(NH,),][Pt(C,0,),] (4) [Pt(NH,),][PtCl,J

asked Jan 23, 2020 by balaji.thirumalai

1 answer

(chatquestion)...A liquid of density_2p is filled in a cylindrical vessel, whose cross-sectional area is 2A. A wooden cylinder of height H, cross-sectional area A and density p is floating in the liquid at equilibrium with its axis vertical. The cylinder is pushed down by a small distance x from its equilibrium position and released. Find its initial acceleration. 2A 28 2g (1) H. (9) ()* 3g (3) 4g H. :9J , 1.,ו

asked Jan 23, 2020 by balaji.thirumalai

1 answer

(chatquestion)...The electron of a hydrogen atom revolves round the proton in a circular nth brbit of radive Egn°h? with a speed u,= 28,nh The current In (rame2) 2ɛ,nh due to the circulating charge is proportional to (3) e5 (2) e3 (4) e6 (1) e?

asked Jan 23, 2020 by balaji.thirumalai

1 answer

(chatquestion)...A spring is kept compressed Trolley by a small trolley of mass 0-5 kg lying on a smooth horizontal surface as shown Spring Fig. 2.16 in the adjacent Fig. 2.16. When the trolley is released, it is found to move at a speed v = 2 ms. What potential energy did the spring possess when compressed ?

asked Jan 23, 2020 by balaji.thirumalai

1 answer

(chatquestion)...A homogeneous rod AB of length L = 1.8 m and mass M is pivoted at the centre O in such a way that it can rotate freely in the vertical plane (see fig). The rod is initially in the horizontal position. An insect S of the same mass M falls vertically with speed V on the point C, midway between the points O and B. Immediately after falling, the insect moves towards the end B such that the rod 25. L/2 OU4 U4 (1992) rotates with a constant angular velocity o (a) Determine the angular velocity o in terms of V and L. (b) If the insect reaches the end B when the rod has turned through an angle of 90°, determine V.

asked Jan 23, 2020 by balaji.thirumalai

1 answer

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