Email
Chat with tutors
Login
Ask Questions, Get Answers
Menu
X
home
ask
tuition
questions
practice
papers
mobile
tutors
pricing
X
Questions asked by balaji.thirumalai
Questions
4474
questions
1
answer selected
(chatquestion)... Calculate the amount of KCl which must be added to 1kg of water so that the freezing point is depressed by 2k? (kf for water = 1.86Kmol−1)
other
telegram-56781
asked
Feb 13, 2020
0
answers
(chatquestion)... Calculate the amount of KCl which must be added to 1kg of water so that the freezing point is depressed by 2k? (kf for water = 1.86Kmol−1)
other
telegram-56781
asked
Feb 13, 2020
0
answers
(chatquestion)... Calculate the amount of KCl which must be added to 1kg of water so that the freezing point is depressed by 2k? (kf for water = 1.86Kmol−1)
other
telegram-56781
asked
Feb 13, 2020
0
answers
(chatquestion)... Calculate the amount of KCl which must be added to 1kg of water so that the freezing point is depressed by 2k? (kf for water = 1.86Kmol−1)
other
telegram-56781
asked
Feb 13, 2020
0
answers
(chatquestion)... Calculate the amount of KCl which must be added to 1kg of water so that the freezing point is depressed by 2k? (kf for water = 1.86Kmol−1)
other
telegram-56781
asked
Feb 13, 2020
0
answers
(chatquestion)...A car travels 6 km towards north at an angle of 45° to the east and then travels distance of 4 km towards north at an angle 135° to east. How far is the point from the starting point? What angle does the straight line joining its initial and final position makes with the east? 14. [2008] (a) 50 km and tan-'(5) (b) 10 km and tan"(/5) (c) 52 km and tan" (5) 52 km and tan¯'(/5) (d)
other
telegram-4761
asked
Feb 13, 2020
0
answers
(chatquestion)...15. Which one of the statements regarding blastocyst in human is correct (a) It has more cytoplasm and more DNA than uncleaved zygote (b) It has equal quantity of cytoplasm as an uncleaved zygote but more DNA (c) It has less cytoplasm as well as well as DNA than uncleaved zygote (d) It has equal quantity of DNA and cytoplasm as in uncleaved zygote
other
telegram-56765
asked
Feb 13, 2020
0
answers
(chatquestion)...The value of vander waal's constant a and b for two gases X and Y are 4.6, 0.04 (for X) and 5.1, 0.06 (for Y). Which can be liquified easily an application of pressure :- (1) X (2) Y (3) Both 1 & 2 (4) None of these
other
telegram-56764
asked
Feb 13, 2020
1
answer
(chatquestion)...UNIT 4 As a block falls through the air by 40m it does work equal to 5 Calculate the kinetic energy of a ball of mass 50 g travelling at 30 m/s. How much work will need to be done to stop the ball? sed -1800 J. Determine the mass of the block. 6A mass of 2.0 kg is hung off a spring, which extends 2 cm Determine the energy stored in the spring. lluinto the air The sr
other
telegram-56756
asked
Feb 13, 2020
1
answer
(chatquestion)...20. Energy is released in nuclear fission is due to 26 (a) Few mass is converted into energy (b) Total binding energy of fragments is more than the B.E. of parental element 22 () Total B.E. of fragments is less than the B.E. of parental element rom (d) Total B.E. of fragments is equals to the B.E. of parental element is 2. (1) a.c (2) a,b (3) a,d (4) All
other
telegram-56746
asked
Feb 13, 2020
0
answers
(chatquestion)...Simple cuboidal epithelium lines all the following structures except the (A) 30. Pancreatic ducts (B) Ovary Tubules of nephron (D) Thyroid follicles (C)
other
telegram-56745
asked
Feb 13, 2020
0
answers
(chatquestion)...18. Match the figures in column II with characters given in column I and choose correct option Column I Column II Unicellular gland (i) (A) (ii) Multicellular gland (iii) Compound epithelium (B) Inner lining of ducts of salivary (iv) glands and of pancreatic ducts Provide protection against chemical (v) and mechanical stresses Goblet cells of the alimentary canal (vi) (C) (vii) Salivary gland Consisting isolated glandular cells (viii) (ix) Consisting of cluster of cells (A) – (ii) , (vii) , (ix); (B) – (i), (vi) , (viii; (C)- (âi), (iv), (v) (A)– (ii) , Ta, (v) ; (B) – (ii), (vi) (ix) ; (C) – (), (vi), (vii) (A) – (i), (vi), (vii; (B) - (ii), (vii), (ix); (C)- (if), (iv), (v) (A) - (1), (vii), (vii) ; (B) – (ii), (vi) , (ix); (C)- (i), (iv), (v) (A) (B) (C) (D)...(Do not refer to the answers marked!)
other
telegram-56743
asked
Feb 13, 2020
0
answers
(chatquestion)...SICS 18. A particle moves along x-axis in such a way that its x-co-ordinate varies with time according to the equation x = 8 - 4t + 6r2. The distance covered by particle between t = 0 to t = in 3 sec. is 4) 3) 8 m m 2) 1) Zero
other
telegram-56739
asked
Feb 13, 2020
0
answers
(chatquestion)...283. The value of vander waal's constant a and b for two gases X and Y are 4.6, 0.04 (for X) and 5.1, 0.06 (for Y). Which can be liquified easily an application of pressure :- 2 (2) Y (1) X (4) None of these (3) Both 1 & 2
other
telegram-56737
asked
Feb 13, 2020
0
answers
(chatquestion)...H, SO4 + SO3 → H,S,O, H,S,O7 +H,O¬→ 2H,SO4 By Le-Chatelier's principle, low temperature and high pressure favours forward reaction, as shown in eq. (i). Industry A is environment friendly and keeps temperature 700 K and very high ...(i) ...(i) pressure. Industry B is not worried about the environment but keeps temperature of about 350 K and high pressure. (i) What advantages and disadvantages you can observe of keeping high temperature by industry A and low temperature by industry B? (ii) Which method is adopted by industry Af...(2)
other
telegram-56733
asked
Feb 13, 2020
0
answers
(chatquestion)...34. Sulphuric acid is manufactured by I. contact process (catalyst V, 0,) II. lead chamber process (catalyst NO). Main reactions involved are : 2SO2 (g) +O2 (g) =2S03(g), .(i) AH° = - 197 kJ %3D...(1)
other
telegram-56732
asked
Feb 13, 2020
0
answers
(chatquestion)...Species 1 Species 2 Alone Number of individuals Alone With With species 2 species 1 Time Interpretation of these graph shows that - (a) Competitive exclusion occurred in these experiments. Both species are affected by interspecific competition but species 1 is affected less. (c) Both species are affected by interspecific competition but species 2 is affected less. (d) Both species are affected equally by interspecific competition. Resource partiționing includes -
other
telegram-4747
asked
Feb 13, 2020
0
answers
(chatquestion)...86 The correct definition of ecosystem is (a) A community of organisms interacting with one another (b) The biotic components of an area (c) That part of the earth and its atmosphere which is inhibited by living organisms ar A community of organisms together with the environment in which they live. A pond is 87 (a) A biome
other
telegram-4736
asked
Feb 13, 2020
0
answers
(chatquestion)...hf latyh) foridx limit nf (afon) 3 X१ (र)मे
other
telegram-56722
asked
Feb 13, 2020
0
answers
(chatquestion)...TC 9. tan’ x dx TC 21
other
telegram-56718
asked
Feb 13, 2020
1
answer
(chatquestion)...that 23. processes for a gas. In which of these processes The following are the P-V diagrams for cyclic agram is a heat is released by the gas ? agram is a (2) (1) th heating th cooling ected by a (4) V N.T.P. in (3) b is placed = becomes ill L 02-EXERCESEPSS...(ye btao koi...answer 4th option h
other
telegram-4721
asked
Feb 13, 2020
0
answers
(chatquestion)...wupHon Inheritance of a character is also affected by promoter and regulatory sequences of a structural gene. Hence, sometime the regulatory sequences are loosely defined as regulatory genes, even though these gnot sequences do RNA or protein. code for any Split...(Can anyone explain this para... Pls
other
telegram-4718
asked
Feb 13, 2020
0
answers
(chatquestion)...A VOLTE 77% 19ll 9.04KB/s 11:31 Correct: 2/10 Exit Test Attempted: 6/10 Question 7 +4 -1 Drugs which can block the binding site of the enzyme and prevent the binding of substrate, or can inhibit the catalytic activity of the enzyme are called as: A: Catalytic inhibitors B: Enzyme inhibitors C: Chemical inhibitors D: Enzyme receptors Report Question Reset Test 6. 8 9 10...(Ans????)
other
telegram-4709
asked
Feb 13, 2020
0
answers
(chatquestion)...Identify d-block element ? 77. (1) [Xe] 4f'4 5d' 6s² (2) [Rn] 5f\4 6d' 7s? (3) [Xe] 4fl4 5d10 6s² (4) [Rn] 6d² 7s?...(What is the trick behind solving these questions? I m not able to identify the blocks.)
other
telegram-56708
asked
Feb 13, 2020
1
answer
(chatquestion)...Identify d-block element ? 77. (1) [Xe] 4f'4 5d' 6s² (2) [Rn] 5f\4 6d' 7s? (3) [Xe] 4fl4 5d10 6s² (4) [Rn] 6d² 7s?...(What is the trick behind solving these questions? I m not able to identify the blocks.)
other
telegram-4706
asked
Feb 13, 2020
1
answer
(chatquestion)...According to classical electromagnetic theory, an accelerating electron radiates energy at a rate Ke?a² /c³, where a is the acceleration, e is the electronic charge, c is the velocity of light and K is a constant with a value of 6 x 109N m2 C-2. Suppose that the motion of the electron can be represented by the expression x = A sin ot dur- ing one cycle of its motion. (a) Show that the energy radiated during one cycle is Ke?nw A? /c³. (b) Recalling that the total energy of a harmonic oscillator is maw² A? where m is the mass, show that the quality factor Q is mc /Kew. (c) Using a typ- ical value of w for a visible photon, estimate the 'lifetime' of the radiating system (e = 1.6 x 10-19 C, mass of electron 9.1 x 10-31 kg).
other
telegram-56706
asked
Feb 13, 2020
0
answers
(chatquestion)...38. Suppose mass of earth is increased by 100 times. Now radius of earth (for critical case) for which the earth behaves like black hole is order of (original mass of earth of 6 x 1024 kg) (1) 10 m (2) 10-1 m (3) 10-2 m (4) 100 m...(Plzzz help)
other
telegram-4704
asked
Feb 13, 2020
0
answers
(chatquestion)...7(tan" tan) COSx + cosy 1+ cosx cosy 12. cos-1 2 tan-1 %3D...(Solutions please)
other
telegram-56699
asked
Feb 13, 2020
0
answers
(chatquestion)...equal to: (D) none (A) 4 From the point A (0. 3) on the circle x2+4x+(y-3)23D0 a chord AB is drawn & extended to a po M such that AM=2 AB. The equation of the locus of M is: (A) x²+8x+ y? = 0 (C) (x-3)2+8x+ y² = 0 Two thin rods AB &CD of fengths 2a & 2b move along OX & OY respectively, when 'O' (C) 1 (B) 16 26. (B) x²+8x+ (y= 3)² = 0 (D) x²+ 8x+ 8y? = 0 27 utromities of t
other
telegram-56697
asked
Feb 12, 2020
0
answers
(chatquestion)...(2) Frog 5. (3) Rabbit Heart of fishes:- (4) Man (1) Two chambered (2) Venous heart (3) Both (1) & (2) (4) None of the above 6. Circulation in Human is :- (1) Single & Open (2) Double & Open (3) Double & Close (4) Single & Closed 7. Which organ receives only oxygenated blood ? (3) Lung (2) Spleen (1) Gill 14) Liver Open type of vascular system is predominant in (2) Arthropods 8. (4) Earthworm (3) Amphibians (1) Fishes Which animal has most mixing of oxygenated and deoxygenated blood in the ventricles ? (2) Rabbit (4) None of these (3) Frog 9. (1) Scoliodon HEART...(7)
other
telegram-4693
asked
Feb 12, 2020
0
answers
(chatquestion)...Two persons A and B get the same salary . Their basic pays are different. Their allowances are 65% and 80% of their basic pays respectively. What is the ratio of Their basic pays. I need a detailed explanation, please .
other
telegram-56690
asked
Feb 12, 2020
0
answers
(chatquestion)...Ega In 1. Ega aa aa 1- 2d...(ye konse maths ki property hai bhai samjha do me maths se nahi hu)
other
telegram-56688
asked
Feb 12, 2020
0
answers
(chatquestion)...PAGE NO. DATE 4.2 gm of N3. o I find No. of valance Shell ē
other
telegram-56677
asked
Feb 12, 2020
0
answers
(chatquestion)...(1) 0.IM urea (2) 0.1M urea and 0.2 M MgCl, (3) 0.1M NaCl and 0.1M Na,SO4 (4) 0. 1M Ca(NO,), and 0.1M Na,SO, 11 103. Two solutions of KNO, and CH,COOH are prepared separately. Molarity of both is 0.1M and osmotic pressures are P, and P, respectively. The correct relationship between the osmotic pressures is (2) P, = P2 11 (1) P, > P, %3D P2 P+P, P +P2 P1 (4) (3) P, > P2 104. The correct relationship between the boiling points of 11 dilute solutions of AICL,(T,) and CaCl,(T), having the same molar concentration is: (1) T, = T, (2) T, > T, (3) T, = T, (4) T, 2 T, very 105. Which of the following 0.1 M aqueous solutions will have the lowest freezing point : (1) Potassium Sulphate (3) Urea (2) Sodium Chloride (4) Glucose 102...(que105
other
telegram-56669
asked
Feb 12, 2020
0
answers
(chatquestion)...The I-V characteristic of an LED is : [JEE-MAIN 2013] (R) (Y) (G) (B) BI (A) (B) (D) G (C)...(Pls solve)
other
telegram-56665
asked
Feb 12, 2020
1
answer
(chatquestion)...31. Cyanat No 20, Keto enol tautomerism is observed in CH 3 CHOН aCl in Н-С %3D 0 H,C-C = 0 Whic hybr (a) (c) Th 32. ond re III IV rces 33 (a) IV (c) I, IV (b) I, Ш, IV П, Ш, ГУ (а)
other
telegram-56649
asked
Feb 12, 2020
0
answers
(chatquestion)...(1) 5:3 (2) 3:5 (3) 27: 125 (4) 125 : 27 16. Calculate the neutron separation energy from the follow- ing data m20 Ca) = 39.962591 u; m20 Ca) = 4096.2278 %3D u; m = 1.00865, lu = 931.5MEV/C? %3D 30 (1) 7.57 MeV (2) 8.36 MeV (3) 9.12 MeV (4) 9.56 MeV 17. The binding energy of deuteron H is 1.112 MeV per...(Ans is option 2nd)
other
telegram-4661
asked
Feb 12, 2020
0
answers
(chatquestion)...3. IUPAC nomenclature for the compound is...(Can anyone help me)
other
telegram-56645
asked
Feb 12, 2020
0
answers
(chatquestion)...The value of quantum yield is Anonymous Quiz 0% 8 33% 1/8 67% 0.25 0% 4...(Koi explain kr skta hai is question ko!?)
other
telegram-4657
asked
Feb 12, 2020
0
answers
(chatquestion)...ab 62. c2 19 Prove that tan tan x 1+2 cos 2x cos 2+cos 2x 4). -1 1+2 cos 2x 2+cos 2x सिद्ध कीजिए : tan tan x cos
other
telegram-56639
asked
Feb 12, 2020
1
answer
(chatquestion)...3 10. For the glven current distribution the magnetic field at point, 'P' is :- Then ratio 5A •P 2.5A coll to the 2.5m from the 5m (2) (3) 4) 8: 1 (4) 19
other
telegram-4647
asked
Feb 12, 2020
0
answers
(chatquestion)...Under which of the following conditions will there be no change in the reading frame of following MRNA? 11. [NEET-2019] 5'AACAGCGGUGCUAUU3' (1) Insertion of G at 5th position (2) Deletion of G from 5th position (3) Insertion of A and G at 4th and 5th positions respectively (4) Deletion of GGU from 7th, 8th and 9th positions
other
telegram-56634
asked
Feb 12, 2020
0
answers
(chatquestion)...wire. The ratio of mag coils respectively :- (4) 4 : 1 (3) 1 : 8 ge (2) 1 : 1 (1) 1 : 4 arm 7. Magnetic field at point O will be :- of the (2) 2R (1) 2R Hol 1+ (4) 2R Hol (3) 2R nt
other
telegram-4626
asked
Feb 12, 2020
0
answers
(chatquestion)...(a) (b) (c) ОН CH =0 84. NaOH CH3 →(A) 99% yield. Product (A) is: На0; д 81. NO2 NO, (b) Ph-C-CH=CH O (a) Ph-C-CH =CH-Ph (d) Ph-CH2 - CH=CH-Ph NO2 (c) Ph-C- CH=CH- CH ОН onic product of the aldol addition is:
other
telegram-56609
asked
Feb 12, 2020
0
answers
(chatquestion)...normal to the ellipec 4x+9y = 36 at the point P(2, /5). 66 Find the equation of the line normal to the eilipse 16x + 25y2 = 400 at the point P(-3, 16/5). %3D %3D 67 Find the equation of the line normal to the ellipse (x²/a²) +(y/b²)%3D1 which passes through the point P(x, Y1) on the ellipse. 68 The tangent to an ellipse at a point Po meets the tangent at a vertex in a point Q. Prove that the line joining the other vertex to Po is parallel to the line joining the center to Q. 69 A square is inscribed in the ellipse whose equation is (x²/16) + (y²/9) = 1. Find the coordinates 'of the vertices of the square; find the perimeter and area of the square. 70 The orbit in which the Earth travels about the sun is approximately an ellipse with the sun at one focus. The major axis of the elliptical orbit is 300,000 kilometers and...(Can someone answer this no. 68)
other
telegram-56591
asked
Feb 12, 2020
0
answers
(chatquestion)...The resistance between A and B is b. 42 a 82 d. 22 c. 3.752
other
telegram-1454
asked
Feb 12, 2020
0
answers
(chatquestion)...Q Ogenesis , Which will make a Pemale Stouks its journey in O foctus Caoied by grandmothey O foctus Carried by mother 9 dauswe) O foeus Alter Puberty
other
telegram-4597
asked
Feb 12, 2020
0
answers
(chatquestion)...should suppose to involves: (1) Carbon free radical (2) Carbanion (1) Carbon free radical (2) Carbanion (4) Carbene (3) Carbocation (3) Carbocation (4) Carbene निम्न में से एल्कोहल का निर्जलीकरण सव्वाधिक आस् 65. Which of the following alcohol undergoes 65. होगा : dehydration reaction most easily : CH, CH, ОН OH -CH, YCH, (1) CH, C-CH, OH ČH, (2) (1) CH-C-CH,-OH (2) CH, OH ОН ОН O CH-CH-CH 4) (O- -CH H-CH-CH,(4) ČH, CH,-C-CH, -CH- (3) (3) CH, CH, निम्न में से कौनसी अभिक्रिया असममिति ईथर संश्लेष सर्वाधिक उपयुक्त है : 66. Which of the following reaction is most suitable 66. for preparation of unsymmetrical ether: CH, CH, (1) CH,-C-CI + CH,-CH,-ONa → 4 - Product (1) CH;-C-CI + CH;-CH,-ONa ČH Fev = 16.5 eV
other
telegram-56583
asked
Feb 12, 2020
0
answers
(chatquestion)...(3) 30 cm rigure. ce 10 cm from (3) Light converging at a point (4) Both (2) & (3) Ga A ray is incident normally on a right angled prism whose R.I. is V3 and prism angle a = 30°. on, then the distance lens 74. An astro magnifica focal leng the teles (1) 190 Deviation to the ray is equal to TC (3) 20 75. The f size (2) TC (1) (4) 2n Зп obje (1) (3) 70. A convex lens forms the image of the point object alass slah of thickness 3.cm 7.5 cm
other
telegram-56574
asked
Feb 12, 2020
0
answers
(chatquestion)...Work, Enorgy Pwes 2 Determine Hhe % of KE Josf by Amadl ball uban it maks elate head on calliston with ntatorany tigger tall. The mass ball i 12 timc bigges then mau f smull mas p2 Small Big M-12m minimum KE a Cm+(2m) eryod ascal AROnsryed Sence of conserva Maz P.E = E-Et m²u² a(mti2m) NE collision: aler and fiandame max-PE -1 mu? n+1 s fr eumple, i - muư [1- ty bon-elastic coll ncounter betwee inck ogether after mu² = 12 cocrgy takes pla val aticle stick after coll aric collision : la und its target w othetarget. ady spheres. Oely charged ic tele. aby an Exam Pad
other
telegram-56572
asked
Feb 12, 2020
0
answers
Page:
« prev
1
...
33
34
35
36
37
38
39
...
90
next »
Home
Ask
Tuition
Questions
Practice
Your payment for
is successful.
Continue
...