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Answers posted by thagee.vedartham

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How many sets of outfit can be chosen obtained from 4 shirts,2 pairs of sh
answered Mar 30, 2020
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Determine the number of two-digit numbers can be formed using the digits 4,
answered Mar 30, 2020
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A pair of dice is rolled.In how many ways can the sum of 8 come out
answered Mar 30, 2020
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A mass of 200kg is at rest on a perfectly smooth horizontal surface.a const
answered Mar 30, 2020
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(chatquestion)...ension If a liquid drop of water having radius R as shown in figure. The surface tension force between the left half surface and right half surface is [where T is 5. surface tension of liquid] (1) 2TTR (2) TR TR (4) (3) TrR
answered Mar 30, 2020
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(chatquestion)...In the adjoining figure along which axis the M.I. of the triangular lamina will be maximum- [Given that AB = 3 cm, BC = 4 cm, AC = 5 cm] AB BC 3 CA Equal for all axes 4 2.
answered Feb 4, 2020
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Two block of masses m1 and m2, with m1 > m2, are placed in contact with eac
answered Feb 3, 2020
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(chatquestion)...14 A barometer with an imperfect vacuum above mercury reads 757 mm and747 mm when the correct pressures are 772 mm and 757 mm respectively. What is the true value of the pressure when the faulty barometer reads 737 mm? (Ans. 744.5 mm)
answered Feb 3, 2020
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For a prism of refractive index 1.732 the angle of minimum deviation is equ
answered Feb 3, 2020
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(chatquestion)...he he (4) 90 m (3) 80 m 18. A projectile is projected with a speed 30 m/s at an angle 30° with the vertical. The speed of the projectile when its direction of motion makes an angle 30° with the horizontal is (1) 10 m/s (2) 20 m/s (3) 10/3 m/s (4) 20/3 m/s on 19. The position-time (x-t) graph for a particle moving ual along x-axis is as shown in the graph. Average nis
answered Feb 3, 2020
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(chatquestion)...3. A particle moves on a rough horizontal ground with 3. of its kinetic energy some initial velocity say vo. If is lost due to friction in time t, then coefficient of friction between the particle and the ground is :- Vo (4) gt, 3ve (3) 4glo Vo Vo (1) 2gt. (2) 4gt,
answered Jan 14, 2020
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(chatquestion)...An object of mass 0.40kg is attached to the end of a spring whirls round a horizontal circle radius 2.0m with a constant speed of 8.0ms-¹. Calculate the angular velocity of the object.
answered Jan 14, 2020
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which of the following state of matter has weakest forces of attraction
answered Jan 14, 2020
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Two monochromatic light waves of equal intensity produced an interference p
answered Jan 14, 2020
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50 A (d) 3150 A Anight ts traveling from air into a medium. Velocity of light in a medium is reduced to 0.75 times the velocity in air Assume that angle of incidence T ls vey small, the deviation of the ray is (MH CET 2015) (a) i (b) 3 31 (d) 4 (c) 4
answered Jan 12, 2020
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Relate half life and 3/4th life of 1st order reaction
answered Jan 12, 2020
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A ball is dropped from a height of h from ground. If the coefficient of res
answered Jan 12, 2020
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A sphere, a cube and a thin circular plate, all made of the same mass and finish are heated to a temperature of 200°C. Which of these objects will cool şlowest, when left in air at room temperature? O The sphere (2) The cube (3) The circular plate (4) All will cool at same rate
answered Jan 12, 2020
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(chatquestion)...When 50 keV electrons are made incident on a target material, the wavelength of K X-ray line was found to be 0.5A. When the accelerating potential is increased to 100 kV, then the wavelength of K Xray-line from the same target will be (1) 0.25 A (2) 0.5 A (3) 0.75 A (4) 1.0 A
answered Jan 12, 2020
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Calculate the maximum velocity of photo electron .if the work function of t
answered Jan 12, 2020
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A wooden block immersed partially into water. There were 15% of the total v
answered Jan 12, 2020
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(chatquestion)...In the circuit shown below C, = 10 uF, C, = C, = 20 uF, and C, = 40 µF. If the charge on C, is 20 C then potential difference between X and Y is %3! (1) 2 V (2) 3 V 47. .Y (3) 6 V (4) 3.5 V
answered Jan 12, 2020
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Calculate the dispersive power of a crown glass prism is reflective index o
answered Jan 7, 2020
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drive the expression for the intensity at a point of interference pattern i
answered Jan 7, 2020
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a piece of wire 0.1m long is cut into parts one of which is bent into a cir
answered Jan 7, 2020
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The time period of the earth is taken as T and it's distance from sub is R.
answered Jan 7, 2020
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Magnetic dipole moment
answered Jan 7, 2020
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thin equiconvex lens is made of glass of refractive index 1.5 whose surface
answered Jan 7, 2020
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In a transistor connected in a common emitter mode RC=4kΩ,R1=1kΩ,IC=1mA a
answered Jan 7, 2020
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A position of 1 MeV collides with an electron of 1 MeV and gets annihilated
answered Jan 7, 2020
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A body is projected at an angle theta with vertical with KE.E neglecting ai
answered Jan 7, 2020
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The magnetic field at a place is √3 times magnitude that at equator. What
answered Jan 7, 2020
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A uniform square plate of side X oscillates in a vertical plane about a hor
answered Jan 6, 2020
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circular coil of different turns are made bby constant length current carry
answered Jan 6, 2020
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If a image of point(2,3) with respect to line L=0 is (-4,1) then find the f
answered Jan 6, 2020
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A mirror is placed on x axis a ray of light starting from (0,3) gets reflec
answered Jan 6, 2020
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In an electromagnetic wave the amplitude of electric field is 10V/m.The fre
answered Jan 6, 2020
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A ball moving with a velocity of 6m/s strikes an identical stationary ball.
answered Jan 6, 2020
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Projection vector of a on b
answered Jan 6, 2020
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neha and Rajesh have bookshelves of the same size and holding books of the
answered Jan 5, 2020
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Calculate the value of frequency at which an electromagnetic wave must be p
answered Dec 28, 2019
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a boy throws a ball vertically downward from height of 1.5 m .he wants the
answered Dec 28, 2019
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what is the wave number and wave length of the first transition in the laym
answered Dec 28, 2019
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The maximum possible value of angular velocity of ball (in radious /sec )is
answered Dec 28, 2019
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A uniform rod of mass 2 kg and length 1 m is free to rotate in a vertical
answered Dec 28, 2019
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Frequencies of revolution of electron n=1 and n=2 Bohr orbits
answered Dec 28, 2019
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derive the expression for electric field intensity at a point outside the u
answered Dec 28, 2019
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A prism is made up of flint glass whose dispersive power is 0.053. Find the
answered Dec 28, 2019
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A strain 60cm long is by the application of 2cm stress and by a load if 200
answered Dec 28, 2019
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The total energy of a body of mass 100g performing SHM is 0.2 J. Find it's
answered Dec 28, 2019
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