Recent questions tagged other

(chatquestion)...(a) (b) (d) None of these (c) (d) A coil of Cu wire (radius-r, self inductance-L) is bent in two concentric turns each having radius - एक फेर The self inductante now स्वा (c) 4 L (d) L/2 Susceptibility of Mg at 300 K is 1.2x10. The 7. temperature at which susceptibility will be 1.8 x10 ता is (a) 450 K 200 K (c) 375 K (d) None of these 8. The magnet of vibration magnetometer is heated so as to reduce its magnetic moment by 36%. By doing this the periodic time of the magnetometer will (a) Increases by 36% 0tincreases by 25% (c) Decreases by 25% JMBH (d) Decreases by 64% 9. 9. A magnetised wire of moment M is bent into an arc of a circle subtending an angle of 60° at the centre; then the new magnetic moment is (a) (2M/ T) (b) (M/T) (c) (33M /R) 61

asked Jan 29, 2020 by balaji.thirumalai

0 answers

(chatquestion)...(3)80° What is the value of a for which there are (4) None of these 12. maximum 2 reflections only 60° 16. (1) 35° (3) 55° (2) 45° (4) 65° If0=110° then total number of images formed 13..

asked Jan 29, 2020 by balaji.thirumalai

0 answers

(chatquestion)...16% 12:41 AM Avantika last seen recently @b0ssygirl Username All I ask is for a life full of love and a love full of life Bio Notifications Enabled MEDIA DOCS LINKS GROUPS

asked Jan 29, 2020 by balaji.thirumalai

0 answers

(chatquestion)...12:21 AM 19% Avantika last seen recently 28 January Hii failed Message

asked Jan 29, 2020 by balaji.thirumalai

0 answers

(chatquestion)...4) For what values of x, the terms 4. 4. are in G.P? 27 3. 5n-3 5) If for a sequence, t = show that the 2n-3, sequence is a G.P. Find its first term and the common ratio. 6) Find three numbers in G.P. such that their

asked Jan 29, 2020 by balaji.thirumalai

0 answers

(chatquestion)...10 moles of an ideal gas expand isothermally and reversibly from a pressure of 5 atm to 1 atm at 300 k. What is work done ? (b) 20.30 x 10° J Ya) 55 x 103 J Va) 40.15 x 10³ J (c) 18 x 10³J the roteof

asked Jan 29, 2020 by balaji.thirumalai

1 answer

(chatquestion)...9. If a + b + c = 0, a' + b° + c° = 3 and a' + b + c = 10, then a* + b* + c* is ,a²- %3D %3D

asked Jan 29, 2020 by balaji.thirumalai

0 answers

(chatquestion)...27. (i) Determine the de-Broglie wavelength is of a proton whose kinetic energy of an equal to the rest mass energy electron. Mass of a proton 1836 times that of electron. (ii) In which region of electromagnetic spectrum does this wavelength lie? All India 2011C

asked Jan 29, 2020 by balaji.thirumalai

0 answers

(chatquestion)...ions Owite with for the reaction of dichromate Write ionic equations i) hydroxyl ions ii) Fe ions in acidic medium. In which one of the above two reactions will the oxidation number of chromium remains unchanged. etry and magnetic property of [Ni (CN)

asked Jan 29, 2020 by balaji.thirumalai

1 answer

(chatquestion)...An alcohol, CH3CH2CH(OH)CH(CH3)2 reacts with hot concentrated sulphuric acid to give several organic products, A and B 1. Ho soy Draw structure of A and B and label the major product a)

asked Jan 29, 2020 by balaji.thirumalai

1 answer

(chatquestion)...lo0oe

asked Jan 29, 2020 by balaji.thirumalai

0 answers

(chatquestion)...A common emitter n-p-n transistor is used as an amplifier as shown in figure with collector current of 4 mA, B of amplifier is 100 then value of R, and Ra are respectively. (VBE = 0.4 V) dc %3D 13. E8 V R8 Rc 13 Te ont in VCE = 4 V 4 X1 k2, 0.19 M2 (2) 1 M2, 0.19 M2 11 kQ, 0.19 k2 (4) 1 M2, 0.19 k2 > ww ww

asked Jan 29, 2020 by balaji.thirumalai

0 answers

(chatquestion)...31. The intensity at the central maxima (O) in a Young's double slit experiment is I. If the distance OP equals one-third of fringe width of the pattern, show that the intensity at point P would be Io/4. Уn TS de Foreign 2011

asked Jan 29, 2020 by balaji.thirumalai

0 answers

(chatquestion)...A microscope is focussed on a mark on a piece paper and then a slab of glass of thickness 3 cm and refractive index 1.5 is placed over the mark. How should the microscope be moved to get the mark in focus again :- of (1) 1 cm upward (2) 4.5 cm downward (3) 1 cm downward (4) 2 cm upward

asked Jan 29, 2020 by balaji.thirumalai

0 answers

(chatquestion)...(b) 3 in 16 (C) 4 in 16 Dieck coats and co When a true-breeding plant bearing disc-shaped yellow fruit was crossed with a plant bearing sphere-shaped green fruit the F, generation were all found to bear disc-shaped yellow fruit. This F, generation was self-pollinated and produced 800 offspring. Predict which of the following proportions of (d) 9 in 16 19)1 in 16 phenotypes was found in this F, generation. phenotype disc-shaped/ green sphere-shaped / yellow disc-shaped/yellow sphere-shaped l green 201 199 202 198 153 49 152 446 800 148 453 147 52 w

asked Jan 29, 2020 by balaji.thirumalai

1 answer

(chatquestion)...VI. Answer any three of the following questions: 3x5=15 33. Two point charges +4 nC and +1 nC are separated by 30 cm in air. Find the position between them at which the resultant electric field is zero from the bigger charge.

asked Jan 29, 2020 by balaji.thirumalai

0 answers

(chatquestion)...V= 100 4L for for closed =00X2 AL =20otla az V=400la 122 3(200 M3 z 606 Hz

asked Jan 29, 2020 by balaji.thirumalai

0 answers

(chatquestion)...GNO X-X

asked Jan 29, 2020 by balaji.thirumalai

0 answers

(chatquestion)...A closed organ pipe has fundamental frequency 100 hz. What frequencies will be produced if its other end is also opened?

asked Jan 29, 2020 by balaji.thirumalai

0 answers

(chatquestion)...Br 37. Dichloromethane on treatment with alc. KOH/A will give : (b) НC-СH (a) HCCH2 A CHCI O HCHO tion with AgNO3 or rate of8

asked Jan 29, 2020 by balaji.thirumalai

1 answer

(chatquestion)...(d) Refer to the following family tree. father mother (normal) (normal) 1st child Kalbino) 2nd child 3rd child (normal) 4th child (normal) (normal) The chance of this couple's fifth child being an albino is (a) 1 in 2. (c) 1 in 4. plants, the alleles for red and ivory flower colour show incomplete dominance (b) 1 in 3. (d) 1 in 5. us ivory-flowered plant a

asked Jan 29, 2020 by balaji.thirumalai

0 answers

(chatquestion)...(c) He could not have proposed that genes are carried on chromosomes Le He would not have discovered the law of independent assortment Individuals homozygous for cd genes were crossed with wild type (++). The F, dihybrid thus produced was test crossed. It produced progeny in the following ratio - 900 880 cd 115 +4 105 +C hat is distance betweenc and d (b) 11 units (d) 88 units o fellewing offsprings- (c) 27 units 5.75 unit

asked Jan 29, 2020 by balaji.thirumalai

0 answers

(chatquestion)...(3) - (1) o (2) 2. 2. Ix 4 Ix 4x7 3x 6x9 81. 1+ x+is equal to 3x6 (1) x (2) (1+x)3 (4) (1 -x)3 (3) (1-x)3 1x3 1x 3x5 82. 1+-+ 4 4x8 4 x 8x 12 (1) v2 (2) (3) V3 (4) 2x ), n(n+1) ( 2x

asked Jan 29, 2020 by balaji.thirumalai

0 answers

(chatquestion)...[Given : K of HCUUH = 1.8 x 1041 (A) 4.36 g (B) 5.85 g (Q.8- Q.9) (C) 3.76g 000 CH COOH is titrated with 0 1 M NAOH solution, pH of the solution after the addition of: (D) 5.12 g 50 ml of 0.1M 25 ml of NaOH solution given above - (A) 5.34 (B) 4.74 60 ml of NaOH solution given above - 0ES(C) 3.87 (D) 2.78 r 9. ndo bluo w (D) 8.57 (A) 5.43 (B) 11.96 hiov (C) 2.04 (Q.10-Q.11) In a one litre of an aqueous solution containing 0.020 mole of propionic acid having K = 1.8 x 10-5 at 25°C. How many moles of sodium propionate should be added in the above solution to obtain a buffer solution of pH = 4.74 10. (C) 0.025 mole (D) 0.02 mole (B) 0.15 mole (A) 0.25 mole 11. When 0.010 mole of HOCI dissolved in above buffer solution, pH of the solution will be - (Use : log 3 = 0.477) (C) 4.75 (D) 3.87 (B) 2 263 20 mL of 0.1 M HCI is added at 25°C. If pK, (HCN) = 8.5 the pH of the

asked Jan 29, 2020 by balaji.thirumalai

0 answers

(chatquestion)...A simple pendulum of mass m executes SHM with total energy E. If at an instant it is at one of bextreme positions, then its linear momentum after a phase shift of rad will be 3 |ЗmЕ (1) 2mE 2mE (4) (3) 2/mE 3

asked Jan 29, 2020 by balaji.thirumalai

1 answer

(chatquestion)...(4) 20 µs (5) 40 µS 11. Minimum number of two pin input NAND gates required to make two pin input OR gate are (1) One (2) Two (3) Three 12. Two conducting spheres A and B are shown in figure. The radii of the spheres are R and 2D (4) Four

asked Jan 29, 2020 by balaji.thirumalai

0 answers

(chatquestion)...9. In a region of free space the magnetic field at some instant of time is B=(-2i+ }T and the electric field is Ē = (-î+ 2k – ĵ) V/m. The poynting vector (in Jm-2 s-1) for these field is given as () 10(-21-4j-3k) 107 (7i -2 + R) (2) (3) 10 (i-6) 4T 107 (i + î–5R) (4) (2)

asked Jan 29, 2020 by balaji.thirumalai

0 answers

(chatquestion)...An alpha particle is diverted towards west is deflected towards north by a field. The field is magnetic. What will be the direction of field? a) Towards south b) Towards east c) Downward d) Upward

asked Jan 29, 2020 by balaji.thirumalai

0 answers

(chatquestion)...1. The LCM of two numbers is 1200. Which of the following cannot be their HCF? (a) 4 (b) 5 (c) 6 (d) 3

asked Jan 29, 2020 by balaji.thirumalai

0 answers

(chatquestion)...If isopropyl chloride and ethyl chloride both react with Na in presence of dry ether which alkanes are obtained. CI (1) n-Butane (1 (2) 2-Methyl butane (3) 2, 3-Dimethyl butane (4) All of them NGMODULE-3V\05 HYDROCARBON\O 2.

asked Jan 29, 2020 by balaji.thirumalai

1 answer

(chatquestion)...41 A radioactive nucleus can decay by two different simultaneous processes. If the half life for processes are 20 days and 40 days then effective half life of the nucleus is (2) 40 days (1) 30 days 20 40 days 3 (4) days (3) 3. Space for

asked Jan 28, 2020 by balaji.thirumalai

0 answers

(chatquestion)...-56-169 –56 то M) Show that the straight lines represented by 3x +48xy+23 y² = 0 and 3x-2y+13 0 18.* ght 13 $q.units,. form an equilateral triangle of area of

asked Jan 28, 2020 by balaji.thirumalai

0 answers

(chatquestion)...A body is moving unidirectionally under the influence of a source of constant power. Its displacement in time t is proportional to (1) , (ii) t (iii) , (iv) ;²

asked Jan 28, 2020 by balaji.thirumalai

0 answers

(chatquestion)...A simple pendulum of mass m executes SHM with total energy E. If at an instant it is at one of bextreme positions, then its linear momentum after a phase shift of rad will be 3 |ЗmЕ (1) 2mE 2mE (4) (3) 2/mE 3

asked Jan 28, 2020 by balaji.thirumalai

0 answers

(chatquestion)......16.7KB/s all 4G Y ll 4G Y 10:33 PM O Instagram exam_trick Biology MCQ of the DAY Basidia *** differentiation of the zygote occurs during A Morula stage B Implantation C Blastocyst stage D Fertilization 138 likes exam_trick Post credit @neet_basidia .Check out the telegram link to get high hield NEET-UG content on... more View All 28 Comments Add a comment...

asked Jan 28, 2020 by balaji.thirumalai

0 answers

(chatquestion)...A fully charged capacitor C with initial charge qo is connected to a coil of self inductance L at t = 0. The time at which the energy is stored equally between the electric and the magnetic fields is %3D [AIEEE 2011] (b) VLC (a) LC (c) 27 LC (d) LC

asked Jan 28, 2020 by balaji.thirumalai

1 answer

(chatquestion)...A circle with centre (2,3,0) and radius unity has been drawn in the plane z=0 . Find the equation of the sphere through this circle and the point (1, 1 ,1)

asked Jan 28, 2020 by balaji.thirumalai

0 answers

(chatquestion)...10 coins are tossed 1024 times and a set of frequencies are obtained. What will be the expected frequency using binomial distribution?

asked Jan 28, 2020 by balaji.thirumalai

1 answer

(chatquestion)...+ H-Br -→ Product 47. The product is - (1) Bí но (2) НO Br (3) Bř (4) Br

asked Jan 28, 2020 by balaji.thirumalai

0 answers

(chatquestion)...2) 1 3) V2 1) -1 If LT, LN, LST and LSN denote the lengths of tangent, normal. Sub-tangent and sub- normal respectively of a curve y = f(x) at a point P(2009, 2010) on it. Then 6. LST 2010 1) L LSN 2) = constant LSN 2010 LST LSN L, +LN 4) L-LN 2009 3) 1- L5LSN 2010 Tangents and Normals 462 K.R's Gowtham

asked Jan 28, 2020 by balaji.thirumalai

1 answer

(chatquestion)...(Simple Harmonic Motion and Uniform Circular Motion) Two particles executing SHM of same amplitude of 20 cm with same period along the same line about same equilibrium position. The maximum distance between the two is 20 cm. Their phase difference in radian is equal to (2) 2n (4) (3) 3 The 11

asked Jan 28, 2020 by balaji.thirumalai

0 answers

(chatquestion)...2nfactedeng uaiform thurged Shag is plased along 2 lanis itl linecen chcolged density te (29,0,0) then uok dea poriE1on agent. moued point Change q ex torn al cuill be Kd en2 c)kdg en 2 B) 29 O -2kd9 en 2

asked Jan 28, 2020 by balaji.thirumalai

0 answers

(chatquestion)...sin X COS O. 6. Evaluate : cot x(cosecx- 1)edx, A [S.Q.P. 2013] Sol. Jcotx(cosecx – 1)edx

asked Jan 28, 2020 by balaji.thirumalai

0 answers

(chatquestion)...E, F are independent events and P(E) # 0, ... is false. P(F) # 0, then (B) P(F! /E) = 1-P (F/E) (A) P(E/F) = P(E) %3D (C) P(E' / F') = 1–P(E) (D) P(E' / F)= 1-P (E/F) %3D

asked Jan 28, 2020 by balaji.thirumalai

0 answers

(chatquestion)...S(x-[sinx])dx (A) 8. - 1 (B) 8. (C) 8. (D) None of these 2.

asked Jan 28, 2020 by balaji.thirumalai

0 answers

(chatquestion)...S(8 +7x5 +6x* +5x²+4x² +3x+1}e* dx = .. + o (4) Σre (B) Σχe i = 1 i=1 (D) Σ (re (C) Σie i = 0

asked Jan 28, 2020 by balaji.thirumalai

0 answers

(chatquestion)...vo) The left hand derivative of the function flx) = [x]sin(ax) at x = K is ..... . Where [ • ] is a maximum integer function. (B) (-1)K – 1 (K – 1)t (D) (– 1)K – 1 Kt (A) (– 1)K (K – 1)T (C) (– 1)K Kr

asked Jan 28, 2020 by balaji.thirumalai

0 answers

(chatquestion)...n! п %3D lim п-oo п" 4 TC (D) TO (C) 4 (B) (A) e

asked Jan 28, 2020 by balaji.thirumalai

0 answers

(chatquestion)...The half life of a radioactive substance is 28. 23.10 minute. If 1023 atoms of the substance are active at any instant of time, then the activity of the substance will be - (in dps) (A) 1 × 1019 (C) 5 x 1019 (B) 3 x 1019 (D) 7 × 1019 The weight based ratio of U238 and Pb226 in a sample of rock is 4: 3. If the half life of U238 is 4.5 × 109 years, then 29. the of rock is - age (A) 9.0 × 109 years (B) 6.3 x 109 years (C) 4.5 x 109 years (D) 3.78 × 109 years

asked Jan 28, 2020 by balaji.thirumalai

0 answers

(chatquestion)...2) [/®)g°«x) – g(x) f"(x) f(x) · g(x) f(x) g'(x) – g(x) f '(x) {log g(x) – log f(x)}dx = ... + c. %3D g(x)]² f(x)[ g(x)] loge (A) loge (B) [g(x) g(x) loge (C) (D) None of these f(x)

asked Jan 28, 2020 by balaji.thirumalai

0 answers

Ask Questions, Get Answers