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(chatquestion)...According to figure, there a point P inside an uncharged conducting spherical shell, find the magnitude of electric field due to induced charge at P: 2. 2. RO kQ (3) kQ (4) R- (1) zero (2)
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telegram-48766
asked
Jan 26, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...he current in a circuit, periodic with period T is varying according to the relation T. sin at; 0<t< 21 0; 2 The rms value of the current for one complete cycle IS (2) 2 (1) i 21. (4) (3) is
other
telegram-48763
asked
Jan 26, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...31. Power generated by the torque of pulling force at the instance shown is equal to 50 N 48 2 m 20 rad/s to eu 46nice (1) 200 W (2) 2 kW (3) 20 kW (4) 1 kW Snace for Rc
other
telegram-48760
asked
Jan 26, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...Bre ッズnー CH2 H /H20 CH5C OニJ
other
telegram-48758
asked
Jan 26, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...In a if the circit element give here Poten tial at B, vR:0 thee the cu given AS Potent al of A andD ito 1'50 2V IAmp
other
telegram-48755
asked
Jan 26, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...RI RT 165. MnO (1 mole) in neutral aqueous medium is Mat disproportionate to (a) 2/3 mole of MnO and 1/3 mole of MnO. +4 6) 1/3 mole of MnO and 2/3 mole of Mno, (c) 1/3 mole of Mn,O, and 1/3 mole of Mno, (gh2/3 mole of Mn O, and 1/3 mole of MnO2
other
telegram-48753
asked
Jan 26, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...38. A capacitor of capacity C, is charged to potential of V After disconnecting with the battery, it is connected with a neutral capacitor of capacity C, as shown in the adjoining figure. The ratio of energy of system before and after the connection of switch S will be :- C,V, G+C, (2) f? C+C (4) =
other
telegram-48747
asked
Jan 26, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...er Find the charge on capacitor C in the gi 31. circuit er. 12V off he 2uF 12 d) 8x2 (2) 18 µC (1) 12 µC 2(3) 20 µC (4) 14 HC
other
telegram-48745
asked
Jan 26, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...Neef : I There is a square gaussian surface placed in y-z plane. Its axis is along x-axis and centre o is at origin. Two identical charges, each Q, are placed at point (a, 0, 0) and (-a, 0, 0). Each side length of square is 2a then electric flux passing through the square is :- (1) 6E0 3 E, (4) zero (3) 12 E0 Current in AC circuit is i =i, sin @t + i,cos ot.
other
telegram-48743
asked
Jan 26, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...23. Half life period of a radioactive sample is T. Let x fraction disintegrates in time 't'. How much Not fraction will decay in time (6) (1) (2) (4) 1– (/ī– x)
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telegram-48740
asked
Jan 26, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...(V2) 24. A sinusoidal ac current passes through a resistor of resistance R in LCR series circuit. If phase difference between supplied voltage and supplied current is e and peak value of supplied current is I, then power dissipated in the circuit is :- TR A(1) EK cos e (2) IR (3) I;R Jo Cos
other
telegram-48738
asked
Jan 26, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...An infinitely long straight conductor AB is fixed and a current is passed through it. Another movable straight wire CD of finite length and carrying current is held perpendicular to it and released. Neglect weight of the wire :- A Eo 12x8 (1) The rod CD will move upwards parallel to в itself (2) The rod CD will move downwards-parallel to itself (3) The rod CD will'move upward and turn clockwise at the same time The rod CD will move upward and turn anti-clockwise at the same time nir between the
other
telegram-48736
asked
Jan 26, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...15. The full deflection current of moving coil Galvanometer is 1 mA. If it is converted into an ammeter of 10 A range then value of shunt is [Resistance of Galvanometer = 1 kQ] 103 %3D (2) 1 2 Ω 9999 (3) 104 2 (4) 103 2
other
telegram-48734
asked
Jan 26, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...6. laérfial mant to Space Sphoei quen the radies to I=D% Mp? what to (aledake fhe Crcela dese whe se sxj aloy the dise; diamefer k = 1.22 RIm
other
telegram-48731
asked
Jan 26, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...Which reaction is not part of proton-proton cycle :- (1) Hí + ¸H' → H² + ß* + v + Q (2) ,H² + ‚H² → „He³ + on! + Q (3)H² + ,H! → He + Q (4) „He³ + 2HE³ → „He“ + 2(;H') + Q
other
telegram-48729
asked
Jan 26, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...In a ciruit element give here f he Poten tial at B,VR=o then the Potenti al of A andD cru given AS 1'50 2.52 I Amp
other
telegram-48727
asked
Jan 26, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...In a circit element give nere f the Poten ti'al at B,VQ=O then the 4 potenti al of A andD cu gtven AS to 1'50 2.52 MMA L Amp
other
telegram-48725
asked
Jan 26, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...VE spectrum antibiotics ? Give one example of each. (Chp.16) SECTION-B Answer questions No.9 to 14 as directed. (Each question carry 3 marks) [18] (9) If the radius of the octahedral void is 'r' and radius of the atoms in close packing is 'R', derive relation between 'r' and 'R'. (Chp.1) (10) The decomposition of A into product has value to k as 60 kJ / 103 s-!
other
telegram-48720
asked
Jan 26, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...13. What is the magnetic force per unit length experienced by wire C as shown in figure? (Assume that all wires are parallel and infinitely long). d->k2d- Ho 12 4л Зd Ho 2/2 (2) 4т Зd Ho 5/2 (4) Zero 4т Зd rotating (1)
other
telegram-48713
asked
Jan 26, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...•Compound A, C,H O, is found to react with NaOI (produced by reacting Y with NaOH) and yield a yellow precipitate with characteristic smell. 1) A and Y are respectively 1Null CH,-OH and L (1) Н.С- CH,-CH,-OH and L e CH-CH, and L, (3) HO. CH, and L, (4) CH,-
other
telegram-48710
asked
Jan 26, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...()ниА (ii)CHCI,,NAOH 54. product (major) :- ÇH=0 он (1) Он ОНС, он 57 (2) ОН CH=0 OH Naet CH=0 Он
other
telegram-48708
asked
Jan 26, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...+ H-Br Product The product is - (1) Br Но Br Но (3) Bř (4) Br
other
telegram-48706
asked
Jan 26, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...Consider the following reaction C,H,OH+H,SO, Product Among the following, which one cannot be Formed as a product under any conditions ? (1) C,H,OSO,H CÁ=CH, (3) HC=CH (4) С,Н, -0-С, Н.
other
telegram-48703
asked
Jan 26, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...112. If the minimum weight and maximum weight of fruits produced by a plant is 50 gm and 200 gm respectively and this charactet is regulated mby 3 pairs of genes. Then find out the weight of fruits produced by the progeny of the cross AAЬЬСС х BBсс :- Ael (1) 75 gm (2) 50 gm 3}125 gm X25€ (4) 150 gm 3. In the cross-AaBh y Aahh
other
telegram-48701
asked
Jan 26, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...Calculate the flux through the cuboid shown in the figure for E=E yj :- a b. z' (1) E,abc (2) E,abd (3) E,abcd (4) Zero
other
telegram-48698
asked
Jan 26, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...K=1 22R1M Assignsient O PA the moment of lnertial of a solid. is qulen os I = SMR, Ahat is the radius oF qyration. Ell e calaulate the radius of qyration of Circular disk ***** axis along sphoe Hhe d'am eter
other
telegram-48693
asked
Jan 26, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...18. Voltage and current in an a.c. circuit is given by V = 20sin (3141)V and I=10sin 314r + A. %D Wattful current in the circuit is (1) 10A (2) 5A 10 (3) J2 (4) T
other
telegram-48676
asked
Jan 26, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...126. A dihybrid test cross ratio for two linked genes in a hybrid is (2) 1:1:1:1 (1) 1:1 (3) 7:1:1:7 (4) 1:7:7:1
other
telegram-48672
asked
Jan 26, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...>CCI, > (CH,),C > (CH ),CH (3) (b) (CH ).CH > CCI, > C,H¸CH, > (CH,),C yCI,>C,H.CH , > (CH, ),CH >(CH,),C id (H},E> (CH ),CH C,H CH, > CI, For a certain process, AH = 280 kJ and AS = 140 J K- which the process will be spontaneous? mol. What is the minimum temperature at The C and C ofa gas are 20.834 and 12.520 J K"nof' respectively. What is the atomicity of the gas? 17 What would happen if the greenhouse gases were totaly missing in the earth's atmosphere? How are 0.50 mol Na,CO, and 0.50 M Na,CO, different? Boyle's law states that at constant temperature, if pressure is increased ont. gas, voiunme decreases and VICC-versa, but when we fill air in a balloon, volume asall as pressure inLrease. Why? ISECTION B, dancityoffica less than that of
other
telegram-48664
asked
Jan 26, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...33. The activation energy for the reaction 2HI (), →H + L 2(g) 2(g) is 209.5 kJ mol- at 581 K. Calculate the fraction of molecules of reaction having energy equ.il to or greater than activation energy? during th
other
telegram-48662
asked
Jan 26, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...Vo) 4G lall 38% = 2:11 D LTE1 1min 14sec +1.0 -0.33 40 The velocity of a vertically thrown ball, with time, will be: 1. Downwards positive 2. Downwards negative 3. Upwards negative 4. Upwards positive View Solution 5 Re-Attempt Re-attempt mode is on. You can re-attempt the question or click on View Solution to see the answer and detailed solution Only 14% students answered correct
other
telegram-48660
asked
Jan 26, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...SECTION D (i) A voltaic cell is set up at 25°C wit h the following half cells. All A13+ (0.0010 M) and Ni? (0.50 M) I Ni 35. Write the equation for the ceil reaction that occurs when the cell generates an electri current and determine the cell potential. (Given E =-0.25 V, E = -1.66V) "Ni2+ */Ni Al/Al
other
telegram-48658
asked
Jan 26, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...NH2 NH2 NH2 NH2 113. CH—CH; Н,С-С—СН; CH3 CH2CH3 CH3 CH3 (R) (Q) (S) (P) (b) Q>S > R >P (d) R>S >Q>P (a) P>Q>R>S (c) S>R >Q>P
other
telegram-48650
asked
Jan 26, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...clASSMate Date Page COOM COOH COOH CH3 (R) CP) ÇOOH cwhat awill be the acidity onder?
other
telegram-48636
asked
Jan 26, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...The following cross was conducted by Morgan on Droso- phila Wm The F, progeny had parental and recombinant traits in the ratio 62.8 37.2 What percentage of F, progeny would have the given condition ? (1) 15 7 % (2) 9.3 % (3) 24.68 % (4) 0.32 %
other
telegram-48634
asked
Jan 26, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...51. The trigonometrical substitution to be used 1-x with respect to x to differentiate tan 1+x B) x = cos e %3D D) x = sec 0 tan 0
other
telegram-48631
asked
Jan 26, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...(106) Match the columns A, B and C. Column A Column B Column C (a) **** habilis (i) 1400 c.c (A) Eat meat (b)**** erectas (ii) 900 c.c (B) Not eat meat (c) Neanderthal (iii) 700 c.c. (C) Eat meal b. a. (A) ii1-B ii C i-A (B) iii-A. ii-B i-C (C) ii-A iii-B (D) i-A ii-B ii-C
other
telegram-48627
asked
Jan 26, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...When cis-but-2-ene is treted with cold alkaline KMNO4, the product is (a) racemic mixture of butan-2-ol (b) racemic mixture of butane-2, 3-diol (c) meso-butane-2, 3 diol (d) racemic mixture of butane-1, 2-diol.
other
telegram-48625
asked
Jan 26, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...Which reaction is not feasible? (1) 2KI+ Br, - 3KBr+ 1, (2) 2KB +1, -2KI + Br, (3) 2KBR+ Cl, 2KCI+ Br, (4) 2H,0+ 2F, 4HF+ O,
other
telegram-48620
asked
Jan 26, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...Open with Google Docs Phy -27 x at Question-L if ( ) blu two positiond of fame particle which has 60° phase find the diffemence in time y = 02 sin 27 diffence-
other
telegram-3118
asked
Jan 26, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...73. In a reverse-biased p-n junction, when the applied bias voltage is equal to the breakdown voltage, then (1) Current remains constant while voltage increase sharply (2) Voltage remains constant while current increases sharply (3) Current and voltage increase (4) Current and voltage decrease OO06 Ph 011-47623456
other
telegram-48615
asked
Jan 26, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...Identify A and B in the given reactions: KMNO4 KMnO4 /OH B+ (CH3);COH H+ (a) A and B both are (CH3)2C=CH2 ) A and B both are (CH3),CO + CH,0 (c) A is (CH3),COH, while B is (CH3),C=CH2 or (CH3),CO d) A and B both are (CH3)3COH, i.e., there is no reaction
other
telegram-48610
asked
Jan 26, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...Dissociation constant 347 100 1.8x10 16 276 238 1.3x107 1.3x10 Aqueous solution, 298 K 2.3x10 i) Reactivity with pes where E = S, Se, Te or Po. Ozone (O,) a and ide (SO2) are gases while selenium dioxide (SeO,) is solid. Reducing property of dioxide decreases from SO, to Te0,;(SO, is reducing while TeO, is an oxidising agent Besides EO, type. sulphur, selenium and tellurium also form EO, type oxides (SO,, SeO3, TeO3). Both types of oxides are acidic in nature.) uards the halogens: Elements of Group 16 for- L is an element of the group and X is a halogen. The stability of the halides decreases in the order F> CI> Br >I. Amongst hexahalides, hexafluorides are the only stable halides. All hexafluorides are large number or na 000US in nature. They have octahedral structure. Sulphur tionally stable for steric reasons L ond TeF, a solid.
other
telegram-3076
asked
Jan 26, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...3.) Which of the following compounds will react with 5% solution of NaHCO;? ОН Он O,N. (a) NO2 (b) NO2 NO, NO2 8. ОН ОН (d) NO2 BIO-C .Cl
other
telegram-48608
asked
Jan 26, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...10 37° Figure shows a particle of mass m attached with 4 identical springs each of spring constant K and each of which are initially in their natural length L The gravitational force is neglected If the mass is slightly displaced by distance x along a line perpendicular to the plane of the figure and released then the force acting on particle just when it is released is proportional to x, find n. K. A person is holding a unifom triangular wedge of mass 0.5 kg to avoid its motion under gravity a ure The static friction coefficient between person's both fingers and the wedge is us 0.
other
telegram-48606
asked
Jan 26, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...Q36. An alkane with the formula CoH14 can be prepared by the hydrogenation of only two alkenes (CoH12). IUPAC name of the alkane is 1. 2,2-dimethylbutane 2. 2,3-dimethylbutane 3. 2-methyl-pentane 4. N- hexane
other
telegram-48599
asked
Jan 26, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...O V + 4 5:00 pm Ultimate Doubt's Breaker's ... ayush is typing Pinned Message FOR EXAMPLE /ques find the number. FOR TYPED QUESTIONS PLEASE USE /QUES | Quiz ве 5:07 PM Kyu ni 5:07 PM R....! THE.YASH.AGARWAL Muje dekna memeber bej pa raih ko nhi Which structure dedifferentiate to form secondary meristematic tissue in stem Anonymous Poll Cortex tissue Hypodermis Epidermis Endodermis 1 vote 5:07 PM Factors essential for translocation of ribosomes? Quiz O Mg2+ O EF-Tu-GTP RF-AUG Both A & B Nobody answered 5:07 PM ! ayush Bhatia Yr ek baat suno 5:08 PM AB Message
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telegram-3044
asked
Jan 26, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...Which of the following are most suitable indicators of SO2 pollution in the environment? (a) Lichens (b) Conifers (c) Algae (d) Fungi
other
telegram-2999
asked
Jan 26, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...214 Ray Optics and Optical Instruments 12. A black spot on the surface of a glass sphere of 3 is viewed from diametrical 2 refractive index u = opposite position. It appears to be at a distance of 10 cm from spot. Diameter of sphere is (1) 5 cm (2) 10 cm (3) 15 cm (4) 20 cm
other
telegram-2983
asked
Jan 26, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...The equation of the straight lines which are both tangent and normal to the curve 27x? = 4y° are 1) x = +/2 (y- 2) 2) x = ±V3 (y - 2) 3) x = tV2 (y-3) 4) x = tV3 (y – 3)
other
telegram-48595
asked
Jan 26, 2020
by
balaji.thirumalai
0
answers
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