class 12

Missing

JEE Main

The major product obtained in the following reaction is:

Connecting you to a tutor in 60 seconds.

Get answers to your doubts.

The locus of the foot of perpendicular drawn from the centre of the ellipse $x_{2}+3y_{2}=6$on any tangent to it is

A sonometer wire of length 1.5 m is made of steel. The tension in it produces an elastic strain of 1 %. What is the fundamental frequency of steel if density and elasticity of steel are $7.7×10_{3}kg/m_{3}and2.2×10_{11}N/m_{2}$ respectively?

Energy of an electron is given by $E=−2.178_{′}10_{−18}J$ Wavelength of light required to excite an electron in an hydrogen atom from level n = 1 to n = 2 will be $(h=6.62×10_{?34}Jsandc=3.0×10_{8}ms_{?1})$

If the function, $g(x)={kx+1 ,0≤x≤3mx+2,3$

If the coefficients of $x_{3}$and $x_{4}$in the expansion of $(1+ax+bx_{2})(1−2x)_{18}$in powers of x are both zero, then (a, b) is equal to

Arrange the following compounds in order of decreasing acidity:

Let a and b be the roots of equation $px_{2}+qx+r=0,p=0.$. If p, q, r are in A.P. and $α1 +β1 =4$, then the value of $∣α−β∣$ is

Two capacitors \displaystyle{C}_{}