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JEE Main

The compressibility factor for a real gas at high pressure is :

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The normal to a curve at $P(x,y)$ meets the x-axis at G. If the distance of G from the origin is twice the abscissa of P, then the curve is a

Let R be the real line. Consider the following subsets of the plane $R×R$.$S={(x,y):y=x+1and0<x<2},T={(x,y):x−y$is an integer }. Which one of the following is true?

Suppose the cube $x_{3}px+q$has three distinct real roots where $p>0$and $q>0$. Then which one of the following holds?

The ionization enthalpy of hydrogen atom is $1.312×10_{6}Jmol_{−1}$. The energy required to excite the electron in the atom from $n=1ton=2$ is

The sum of the series $2!1 −3!1 +4!1 −…$ upto infinity is

Due to the presence of the current \displaystyle{I}_{}

If one of the lines of $my_{2}+(1−m_{2})xy−mx_{2}=0$is a bisector of the angle between the lines $xy=0$, then m is

A binary liquid solution is solution is prepared by mixing n-heptane and ethanol. Which one of the following statements is correct regarding the behaviour of the solution ?