VedClass-Data Entry

Curie temperature is the temperature above which:

$A$ point moves in the $xy$-plane such that the sum of its distances from two mutually perpendicular lines is always equal to $5$ units. The area (in sq units) enclosed by the locus of the point is

If a gas is compressed isothermally,then the r.m.s. velocity of the molecules

The relative reactivities of acyl compounds towards nucleophilic substitution are in the order of

The value of $\lambda$ such that $\lambda x^2-10 x y+12 y^2+5 x-16 y-3=0$ represents a pair of straight lines is: