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1) Any ordinate NP of an ellipse meets the auxiliary circle at Q.Then locus of the intersection of the normals at P and Q is ?? 2)AB is a double ordinate of the parabola y2=4ax .Tangents drawn to the parabola at A and B meet ...
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1) Which of the folll react wid PCl5 ? (multi options correct) Acetaldehyde formaldehyde acetone ethylalcohol single option correct 2)The smallest aldose able to form a cyclic hemiacetal is ? triose wid 3 carbons pentose wid ...
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plzzz integrate this ∫ 1/1+5cosx from 0 to Π...
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An object is placed at a distance of 10 cm in air from the front surface of a thick glass slab of thickness 6 cm whose black surface has been silvered.The image is formed at a distance of 14 cm from the polished surface . The ...
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1)Nitrogen monoxide, NO, reacts with hydrogen, H2, according to the following equation: 2 NO (g) + 2 H2 (g) → N2 (g) + 2 H2O (g) If the mechanism for this reaction were, 2NO(g) + H2(g) N2(g) + H2O2(g) (fast) H2O2(g) + H2(g) ...
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1)A graph is plotted between PVm on y-axis and P on x-axis. The intercept is (Vm is molar volume). a)R b)R+a/b c)RT d)RT-b/a 2) a)A ring shaped tube contains two ideal gases with molecular weights 32 and 28. Both these gases ...
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Two beakers one containing 20ml of a .05M aqueous solution of a non volatile non electrolyte and the other contains 20ml of .03MNaCl solution , are placed side by side in a closed enclosure.what are the volumes in the two bea ...
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Is Schiffs test given even by alcohols in adittion to aldehydes ?? ...
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Why is :CF2(difluorocarbene) more stable than :CCl2 and :CH2 ?? ...
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In a cubic closed packed structure of mixed oxides,the lattice is made pup of oxide ions,20%of tetrahedral voids are occupied by divalent x+2 ions an 50% of the octahedral voids are occupied by trivalent Y+3 ions. The formula ...
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1) The motion of a particle varies with time as y=A(sinwt+coswt) Then the motion is an SHM whose amplitude is a)A b)2A c)A/2 2)A particle undergoes SHM with time period T. The time taken to complete 3/8 the of the oscillation ...
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A Diverging Lens is placed with its pole at the origin and its principal axis along the x-axis.Equation of an incident ray is given by y=- x/2 +3. The focal length of the lens is 4 cm.Find the equation of the divergent ray?? ...
