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A collar of negligible size slides over the surface of horizontal circular rod for which coefficient of friction is 0.3.The collar is projected with a speed of 4 m/s and the radius of the ring is 10 cm.Find the distance moved ...

The rate constant for a first order reaction is equal to the initial > rate of reaction when the initial concentration of the reactant is ...

The possible 10 alcohol formed by the molecular formula C6H14O...Please work out the structures. ...

When Mg is added to a carbon compound containing two different halide groups at symmetrical positions, which one forms the grignard reagent? for eg a compound containing Cl and Br ...

In a particular reaction the time required to complete half of the reaction was found to increase 16 times whereas the initial concentration of the reactant was reduced to one-fourth. What is the order of the reaction? ...

If both the roots of the equation x2-6ax+2-2a+9a2=0 exceeds 3 then (a) a<1 (b) a>11/9 (c) a>3/2 (d) a<5/2 Please solve here ...

If both the roots of the equation x2-6ax+2-2a+9a2=0 exceeds 3 then (a) a<1 (b) a>11/9 (c) a>3/2 (d) a<5/2 Please solve here ...

If x is real,then the maximum value of y=2(a-x)(x+√(x2+b2) ...

If the radical axis of circles {{x}^{2}}+{{y}^{2}}-6x-8y+p=0 and {{x}^{2}}+{{y}^{2}}-8x-6y+14=0 passes through the point (1, – 1), then p is equal to ...

A thin lens of focal length f and its aperture diameter d, forms a real image of intensity I. Now the central part of the aperture upto diameter (d/2) is blocked by an opaque paper. The focal length and image intensity woul ...

When a lens of power P ( in air ) made of material of refractive index mu is immersed in liquid of refractive index {{mu }_{0}} . Then the power of lens is: ...

The locus of the centre of circle which cuts the circles {{x}^{2}}+{{y}^{2}}+4x-6y+9=0 and {{x}^{2}}+{{y}^{2}}-4x+6y+4=0 orthogonally is ...

[sin 75{}^circ =] ...

Before Einstein, it was known that a beam of light pushes against matter, this is known as radiation pressure. This means the light has momentum. *Image* Consider a cylinder of mass M.A pulse of light with energy E is emitted ...

How would you distinguish between a sample of Sodium Chloride solution and sodium sulphate solution. ...

Which of these is expected to have the strongest Congugate base? ...

What is the product of roots? ...

Which of these do not follow the octet rule ? ...

Compare the rate of electrophilic substitution *Image* *Image* *Image* *Image* ...

Which of the following is not a unit of pressure? ...

The conjugate acid of NH2- is ...

In the following reaction, identify the products Na2CO3(aq) + 2HCl(aq) → _________________ ...

*Image* hw 2 proceed i tried 2 ways 1) took √x=cos2φ... and am stuck at -2tanφsin4φdφ ... 2nd way i tried *Image* and stuck after seperatingthe terms and integrating ...

The circular wire of radius 7 cm is cut and bend again into an arc of a circle of radius 12 cm. The angle subtended by an arc at the centre of the circle is ...

If sinalpha+sineta=x and cos alpha+cos eta=y, then sin (alpha+eta)= ...

[underset{x o 0}{mathop{lim }},{{(1-ax)}^{frac{1}{x}}}=] ...

In order that the function [f(x)={{(x+1)}^{cot ,x}}] is continuous at [x=0], [f(0)] must be defined as ...

If [frac{log x}{b-c}=frac{log y}{c-a}=frac{log z}{a-b},] then which of the following is true ...

The value of [{{log }_{2}}.{{log }_{3}}....{{log }_{100}}{{100}^{{{99}^{{{98}^{{{.}^{{{.}^{{{.2}^{1}}}}}}}}}}}}] is ...

[{{log }_{7}}{{log }_{7}}sqrt{7(sqrt{7sqrt{7}})}=] ...