If X = , then Xn, for n ∈ N is equal to
The area (in square unit) enclosed by the curve y = 4 x3 and y = 16x is
A weak acid HX has {tex}K_a = 1 \times 10^-5 M{/tex}. It forms a salt NaX on reaction with alkali. The percentage degree of dissociation of 0.1 M solution of NaX is
1.00E-5
0.01
0.1
0.15
Auto reduction is employed in the metallurgy of :
Given the polymers ; A = Nylon ; B = Buna - S;C = Polythene. Arrange these in increasing order of their intermolecular force (lower to higher)
The area bounded by the curve y=x4-2x3+x2+3 with x-axis and ordinates corresponding to the minima of y is
If α, β, γ are the angles made by a straight line with the coordinate axes, then sin2α+sin2β+sin2γ is
At STP, volume of 0.01g of {tex}H_2{/tex} is the same as that of
If x1, x2, x3 as well as y1, y2, y3 are in GP with the same common ratio, then the points (x1, y1), (x2, y2) and (x3, y3) :
Two identical balls A and B collide head on elastically. If the velocity of A and B before collision are 0.5 m/s and -0.3m/s respectively, then their velocities after collision will be
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