Which of the following complex species is not expected to exhibit optical isomerism?
Let αand βbe the roots of equation x2−6x−2=0. If an=αn−βn,forn≥1, then the value of 2a9a10−2a8is equal to:
The coagulating power of electrolytes having ions Na+,Al3+andBa2+ for arsenic sulphide sol increases in the order:
The distance of the point (1, 0, 2) from the point of intersection of the line 3x−2=4y+1=12z−2and the plane x y + z = 16, is :
Let a and b be the roots of equation px2+qx+r=0,p=0.. If p, q, r are in A.P. and α1+β1=4, then the value of ∣α−β∣ is
A red LED emits light at 0.1 watt uniformly around it. The amplitude of the electric field of the light at a distance of 1 m from the diode is :
The number of values of k, for which the system of equations(k+1)x+8y=4kkx+(k+3)y=3k−1has no solution, is
A uniform cylinder of length L and mass M having cross-sectional area A is suspended, with its length vertical, from a fixed point by a massless spring, such that it is half submerged in a liquid of density σ at equilibrium position. The extension x0 of the spring when it is in equilibrium is: