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Answers posted by thagee.vedartham
Questions
3488
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Binding energy of electrons in a metal is 250KJ.mol. Then the threshold fre
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Aug 26, 2020
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X^2-3x(0,2) find absolute maximum and minimum value
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Aug 26, 2020
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When light of certain frequency strike on surface of metal electrons are ej
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Aug 26, 2020
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The angles of a triangle in the ratio 2:3:4. Find the smallest angle
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Aug 26, 2020
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The wheel of a railway carriage is 4ft in diameter and makes 6 revolutions
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Aug 26, 2020
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(chatquestion)...The total length of a sonometer wire fixed between two bridges is 10 cm. Now two more bridges are placed to divide the length of the wire in the ratio 6:3:2.If the tension in the wire is 400 N and the mass per unit length of the wire is 0.01 kg m', then the minimum common frequency with which all the three parts can vibrate, is (A*) 1000 HZ (B) 1100 Hz (C) 100 Hz (D) 110 Hz
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Aug 26, 2020
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(chatquestion)...moning uith a speed of 50 Fm/mo can be stopped boy A cer 6 rakes af for at veast bm, w hat mill be the mini mum ooppeng distece M the sanne Cor is umo ming at a A speed q 10 lem/ r .)
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Aug 26, 2020
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arrange the given word in the sequence in which they occur in dictionary ch
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Aug 26, 2020
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(chatquestion)...5. A ball is thrown with velocity 40 m s1 at an angle 30° above the horizon from a building of height 170 m. Calculate: (a) The time of flight Sy= (b) The horizontal distance from the foot of the building S= (c) Its velocity when it hits the ground (d) Find...(Help me)
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Aug 26, 2020
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If the roots of a quadratic equation are p by q and q by p, then the equati
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Aug 25, 2020
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(chatquestion)...11. In the X-rays tube before striking the target we accelerate the electrons through a potential difference of U volt. For which of the following value of U. we will have X- rays of largest wavelength? (a) 10 kV (b) 20kV (с) 3kV (d) 40kV
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Aug 25, 2020
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M ENT ELECTRICITY > 00:47:06 n Physics ION 42 OF 45 Clear Ans Mark for Revi
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Aug 25, 2020
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Two vertical plane mirrors facing each other 8m apart. A candle is set 2n f
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Aug 25, 2020
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The value of k for which the system of equations 2 X + k y =12 ,x+ 3 Y - 4
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Aug 25, 2020
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What are palindromes?
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Aug 25, 2020
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The angles of a triangle in the ratio 2:3:4. Find the smallest angle
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Aug 25, 2020
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(chatquestion)...10 m 40 m FIGURE 2.7 FIGURE 2.7 shows a stuntman who is moving horizontally takes off from a height of 10 m above the ground and lands 40 m away. Calculate the stuntman's a) b) time of flight take off speed...(Help me)
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Aug 25, 2020
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A wire AB is suspended about the end A. Marks C and D on it are 40cm apaert
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Jul 14, 2020
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In 150 throw of dice, 2 is obtained 76 times. Ina random throw of dice what
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Apr 7, 2020
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Write four conservation rules for nuclear reactions B). Why does the 238/9
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Apr 7, 2020
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Picture question - class 10 - math
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Apr 6, 2020
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(chatquestion)...A thin metallic rod PQ of an arbitrary shape is hinged at end P and rotated with constant angular velocity in a uniform magnetic field B as shown in the figure. The emf induced across the ends of rod will be x xX x x x x x x XX x x B. x xx x x X x x x x x x x_X ххXх хXXхх х ----- Q x' x x x X XX X X x xx X -a
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Apr 6, 2020
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Picture question - class 11 - physics
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Apr 6, 2020
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(chatquestion)...4) 0.4 When an ideal diatomic gas is heated at constant pressure, the fraction of heat energy supplied which is used in doing work to maintain pressure constant is 2) 7/2 1) 5/7 3) 2/7 4) 2/5
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Apr 2, 2020
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(chatquestion)...com/test_collection/564858/Attempted/quiz/581749 You scored-1 of 4 A point source S is placed at a distance of 21 cm from a convex mirror of focal length 12 cm. What is the distance (in cm) of a converging lens of focal length 10 cm from mirror, placed between the source and the mirror to get the final image on the source itself Q21. Options: 12 cm X10 cm 6 cm 5 cm Solution...(Photo from பாரத் பாரதி)
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Apr 2, 2020
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An Infinite line of charges with uniform linear charge distribution ρ_L (C
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Apr 2, 2020
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Calculate the temperature on the kelvin scale whose value is twice the read
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Apr 2, 2020
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The ice and steam point of a certain thermometer are found to be 20cm apart
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Apr 2, 2020
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What should be added to -5/4 to get -1
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Apr 2, 2020
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(chatquestion)...Oscillations See figure. +T Time period T = 4T, %3D +mg See figure. T = 2n, = T, 4k ) Combination of springs T = 2n Keff 00000 00000...(Can anyone explain me these two cases please.....)
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Apr 2, 2020
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Average kinetic energy in one time period of a simple harmonic oscillator w
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Apr 2, 2020
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A box contain 16 identical Ball except colour. 7 are violets, 6 are yellow
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Apr 2, 2020
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(chatquestion)...A thief crosses a check point with a constant high speed at time t = 0. After waiting for certain time interval police car starts chasing thief with constant acceleration and catches the thief: Graph (1) Graph (2), (1) Graph (1) represents displacement vs tima graph for police car. (2) Graph (2) represents displacement vs time graph for thief. (3) Displacement of police car and thief are pe equal from check point. (4) Average velocity of police car and thief is pot equal in time interval t=t, to T till thief is caught. 28, Velocity of a particle varies with time a. v =t² -t-2. Average speed of the particle in time interval from t = 0 to t = 4 sec is : 4 (1) m/s (2) 2 m/s (3)3 m/s (4) 5 m/s 3 Paragraph for question nos. 29 and 30 The next TWO questions will refer to the following situation. A car starts from rest and accelerates as shown in the accompanying diagram. a 4-...(27 send soln)
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Apr 1, 2020
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The ratio of energies of 1000a and 2000a wavelength radiation
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Apr 1, 2020
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n object is placed 40 cm in front of a convex mirror of radius of curvature
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Apr 1, 2020
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find the equation of line making an angle of 60 degree with the positive x
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Apr 1, 2020
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Corresponding angles are equal when two _____________ lines a
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Apr 1, 2020
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Two positively charged particles , each of mass 17x10 - 27 kg and carrying
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Apr 1, 2020
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Two radioactive samples A and B have half lives T and 2T respectively. At t
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Mar 31, 2020
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How many ways a ten item true or false test can be answered
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Mar 31, 2020
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Picture question - class 12 - physics
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Mar 31, 2020
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How many two digit numbers can be formed using the digits 2,1,4,8,5 and 7 w
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Mar 31, 2020
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Picture question - class 11 - physics
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Mar 31, 2020
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If radius of Bohr model is r then de Broglie wave length of electron in thi
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Mar 31, 2020
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(chatquestion)...Three identical uniform spheres, each of mass M and radius R, are placed as shown in figure. The moment of inertia of the system about the axis AB is 46 36 (1) MR2 (2) MR? 19 17 (3) MR? (4) MR?
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Mar 31, 2020
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(chatquestion)...9. The water equivalent of a calorimeter is 50 g. This calorimeter is used to heat 100 g of water from 10°C to 60°C. Amount of heat required to do this is (1) 7.5 kcal (2) 5.0 kcal (3) 2.5 kcal (4) 10.0 kcal uor Pusa Road New Delhi-110005 Ph.011-47623456
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Mar 31, 2020
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Why electric field intensity inside conductor is zero ?
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Mar 31, 2020
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(chatquestion)...13. A cylinderical vessel is filled upto a height h with ha liquid of density p. The cross sectional area of the vessel is A. From a small orifice near the ah botton, if some liquid flows out so that the level falls of the work done by gravity in doing so is 4. d. de ma ()Ar pg Ah pg (2) 4 (1) pqh Ah pg 8 (4) Ah pg 1. An open vessel containing the liquid upto a height of 15 m. A small hole is made at height of 10 m from the base of the vessel, then the initial velocity of efflux is (g = 10 m/s2) %3D (1) 1 m/s (2) 10/2 m/s (3) 5 m/s (4) 10 m/s...(13 and 14)
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Mar 30, 2020
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The coin is tossed three times determine the sample space and n(S)
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Mar 30, 2020
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A die is rolled and a coin is tossed together.Determine the sample space an
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Mar 30, 2020
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