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anyone received it ????????????????? ...
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5. The solution of the differential equation cos2 xdy/dx+y = tan x is (a) y = tanx + ce–tan x (b) y = (tanx + 1) + cetanx (c) y = (tanx – 1) + cetanx (d) y = (tanx – 1) + ce–tanx 6. The solution of the differential eq ...
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If two waves having amplitudes a and b make superposition the resultant amplitude A is given as A = 1 √(a^2 + b^2 + 2ab cosφ) where φ is phase constant. The intensity (I)2 is directly proportional to square of amplitude. ...
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The adjoining figure shows tracks of three charge particles 1, 2, and 3 in uniform electric field E Give the Signs of three charges. *Image* ...
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The adjoining figure shows tracks of three charge particles 1, 2, and 3 in uniform electric field E Give the Signs of three charges. *Image* ...
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A lens of focal length 15 cm is dipped in water. What is the new focal length given that ref index of glass wrt air is 3/2 and that of water wrt air is 4/3. If the lens is dipped in a liquid under what condition, the rays are ...
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1. By emission of which of the following element remains unchanged a) β^- decay b) γ decay 2. Two lens of power –15D and +5D are placed is contact co-axially. The focal length of equlvalent lens is (A) –10 cm (B) –20 ...
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Draw and explain the output waveform across load resistor if input waveform is shown in fig *Image* ...
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In youngs double slit experiment the distance between slits is d. The distance between slits and screen is a. With help of wavelength L no. of fringes observed per metre on screen will be?????? ...
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A lens of focal length 15 cm is dipped in water. What is the new focal length given that ref index of glass wrt air is 3/2 and that of water wrt air is 4/3. If the lens is dipped in a liquid under what condition, the rays are ...
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1. Statement-I : The sum of mole fraction of all the components of a solutioin is unity. Statement-II : Mole fraction is temperature dependent. 2. Statement-I : Decrease in free energy comes spontaneons reaction. Statement-II ...
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An SN2 reaction at an asymmetric Carbon of a compound always gives a) An enantiomers of the substrate b) A product with opposite optical rotation c) A mixture of diastereomers d) Single stereoisomer ...
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Why does only Cu2+ form precipitate by passing H2S gas through an acidified solution but not Zn2+? ...
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1. A- Amplitude modeulation can be obtained using a transistor R- There is need of positive feedback to obtain AM. 2. A- (For a prism of refracting angle 60º and refractive index, μ = underroot2 , the Minimum deviation is 3 ...
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What is the molality of 15% solution of H2SO4 by mass?? ...
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1. Statement-I : The sum of mole fraction of all the components of a solutioin is unity. Statement-II : Mole fraction is temperature dependent. 2. Statement-I : Decrease in free energy comes spontaneons reaction. Statement-II ...
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1. A- Amplitude modeulation can be obtained using a transistor R- There is need of positive feedback to obtain AM. 2. A- (For a prism of refracting angle 60º and refractive index, μ = underroot2 , the Minimum deviation is 3 ...
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What is the molality of 15% solution of H2SO4 by mass?? ...
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1. If an electrolytic solution is diluted to 9 times then its conductance a) Inc. 9 times b) Dec. 9 times c) Remains same d) none 2. 4 M + 8 CN^– + 2H2O + O2 → 4 [M(CN)2 + 4OH– the metal M is (A) Ag (B) Fe (C) Cu (D) Zn ...
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1. Statement-I : The sum of mole fraction of all the components of a solutioin is unity. Statement-II : Mole fraction is temperature dependent. 2. Statement-I : Decrease in free energy comes spontaneons reaction. Statement-II ...
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1. Which of the following act as antiseptic ? a) Iodine b) Penicilline c) Morphine d) Bithional 2> Which of the following compounds are covalent a) CaCl2 b) CaO 3) HCl d) CO2 3. Which of the following are polyster a) Bakel ...
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1. Cyclopropane a. Non-planar 2. Cyclobutane b. planar 3. Cyclopentane c. Least stable cyclo alkane 4. Cyclohexane d. Shows conformation ...
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1. Cyclopropane a. Non-planar 2. Cyclobutane b. planar 3. Cyclopentane c. Least stable cyclo alkane 4. Cyclohexane d. Shows conformation ...
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1. Cyclopropane a. Non-planar 2. Cyclobutane b. planar 3. Cyclopentane c. Least stable cyclo alkane 4. Cyclohexane d. Shows conformation ...
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1.Holoform test is given by a) Ethanal b) Propanone c) Butanone d) Propan-2-ol 2. Which of the following are diamagnetic? a)[Ni(H2O)6]+2 b)[Ni(CN)4]-2 c) [Zn (NH3)4]+2 d) [Co(NH3)6]+3 3. Primary, Secondary and Tertiary amine ...
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Capacitance of an isolated spehere is increased n times when it is closed by an earthed concentric sphere. Then the ratio of their radii becomes??? ...
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3 charges 3q,q and Q are placed on straight line with equal separation. in order to make net force on q to be zero.. the value of Q will be???? ...
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1. Statement-I : The sensitiviry of a moving coil galvanometer is increased by placing a suitable megnetic material as a core in side the will. Statement-II : Soft iron has ligh megnetic permeability and can not be easily meg ...
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1. Statement-I : The sensitiviry of a moving coil galvanometer is increased by placing a suitable megnetic material as a core in side the will. Statement-II : Soft iron has ligh megnetic permeability and can not be easily meg ...
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A straight wire carries a current of 3 A. Calculate the magnifield of the magnitic field at a point 10 emp. away from the wire. ...
