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*Image* Question. What amount of heat will be generated from the circuit shown in the above fig. after the switch sw is shifted from position 1 to position 2??? answer is Q= ε2C Co/2C+Co please show ur steps?? ...
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Question. A uniform power pole of mass m and lenght L is hoisted into a vrtical position with its lower end supported by a fixed pivot at 0. The wires supporting the wires are accidently released, and the pole falls to the gr ...
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Question. A block having equilateral triangular cross-section of side a and mass m is placed on a rough inclined surface,so tat it remains in equilibrium . The torque of normal force acting on the block about its center of ma ...
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Question. TRUE/FALSE The chlorination of *Image* yields 2,2-chloro propane as major product. answer- false EXPLAIN HOW??? ...
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Question. The number of monochloro derivative of isobutane is ???? answer given is 4................but mine 2 came............Can someone explain?? ...
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*Image* Question. A small spherical ball is released from a point at a height h on a rough tck as shown in the figure. Assume that it does not slips anywhere , find its linear speed when it rolls on the horizontal part of the ...
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Q. If a+ b+ c=0, where a≠b≠c, then a2/2a2+bc + b2/2b2+ac + c2/2c2+ab is equal to (A) 0 , (B) 1, (C) -1 , (D) abc ...
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*Image* Q.In an equilateral triangle, 3 coins of radii 1 unit each are kept so that they touch each other and also the sides of the triangle. Area of the triangle is???? ...
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Question. A uniform solid cylinder made of steel is compressed along the axis. Which of the following statements are correct?? (A) Decrease in volume of the cylinder is independent of its area of cross-section but directly pr ...
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*Image* Question. Two blocks of masses 10 kg & 2 kg are connected by an ideal string passing over a fixed smooth pulley as shown in above figure. A monkey of mass 8kg started climbing the string with a const. acceleration 2m/ ...
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*Image* Question. A sitting cat in a field suddenly saw a dangerous bull dog at a distance l from her. To save her precious life, the cat runs away in a straight line with const. velocity u. Without any time lag the dog start ...
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Question. previously u had told the way to find generative function. But I am unable to find the generative function of ax-1 + ax+1 = √2ax. I got stuck after this step, f(x)= a1x+(a2-√2a1)x2/(x-1/√2)2+1/2 How to find an ...
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Q. A spherical ball of mass m and radius r rolls without slipping on a rough concave surface of large radius R. It makes small oscillations about the lowest point. Find the time period. Answer:- 2π √ 7(R-r)/5g please show ...
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Question. Let n b a +ve integer such that sin π/2n +cos π/2n = √n/2 . then (a) 6≤n≤8 (b) 4≤n≤8 (c) 4<n≤8 (d) 4<n<8 Please show ur steps........am doubtful about a step. ...
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Question...How is the sum of all arithmetic means between two given numbers related to the single arithmetic mean between those numbers. Show ur steps. Do not give the FORMULA directly. ...
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Question. If a,b,c,d are in H.P. ,then show that ab+bc+cd=3ad ...
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Q. Consider a long, straight wire of cross-sectional area A carrying a current i. Let there be n free electrons per unit volume. An observer places himself on a troley moving in a direction opposite to the current with a spee ...
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Question. Two steel rods & an aluminium rod of equal length l0 and equal cross-section are joined rigidly at their ends as shown in the figure. ______________________________________ |______________________________________| & ...
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Question., A uniform solid cylinder of radius R=15cm rolls over a horizontal plane passing into an inclined plane forming an angle α=30 deg with the horizontal downwards. Find the max. value of the velocity vo which still pe ...
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Question. Consider a solid sphere of radius r and mass m which has charge q distributed uniformly over its volume.The sphere is rotated about a diameter with an angular speed x . Show that the magnetic moment y and the angula ...
