Recently Active Disucss Test Question Questions

1-Buten-3-yne contains H2C=C(CH3)C≡CH ...

∫xexdx ...

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The incorrect IUPAC name is, ...

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lim(x→∞) (x+1)(x2+x+2) ...

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Three particles, each of mass 1 gm and carrying a charge q, are suspended from a common point by insulated massless string, each 100 cm long. If the particles are in equilibrium and are located at the corner of an equilateral ...

find dy/dx at x=π2/16, y=e√tan√x ...

find dy/dx, where y=√e√x ...

Acetanilide on nitration followed by alkaline hydrolysis mainly gives ...

Arrange the following in increasing order of acid strength 1) p-methoxyphenol 2) p-methylphenol 3) p-nitrophenol ...

A metallic solid sphere is placed in a uniform electric field. The lines of force follow the path shown in figure as *Image* ...

\int_{\pi /6}^{\pi /2}{log(sinx)cotxdx} ...

Identify the gate represented by the block diagram of Figure *Image* ...

In an NPN transistor circuit the collector current is 10 mA. If 90 % of the electrons are able to reach the collector ...

A gas X is passed through water to form a saturated solution. The aqueous solution on treatment with AgNO3 gives a white precipitate. The saturated aqueous solution also dissolves magnesium ribbon with evolution of colourless ...

The function f(x)=(x-sinx)/x3 is continuous at x=0, then f(0) is ...

Which of the following does not give NH3 on heating? ...

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When a thin convex lens is put in contact with a thin concave lens of the same focal length, the resultant combination has a focal length equal to ...

If the line x-2 is the directrix of the parabola y2-kx+4=0 then one of the values of k is ...

∫[(9ex+5e-x)/(9ex-e-x)]dx=Ax+B ln(9e2x-1)+C Then which of the following is true ...

\int_{-\pi }^{\pi }{\frac{xsinxcos^{2}xdx}{e^{x}+1}} ...

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A ray is incident at an angle of incidence i on one surface of a prism of small angle A and emerges normally from opposite surface. If the refractive index of the material of prism is μ, the angle incidence of i is nearly eq ...