The two slits are 1 mm apart from each other and illuminated with a light of wavelength 5 x 10-7 m. If the distance of the screen is 1 m from the slits, then the distance between third dark fringe and fifth bright fringe is
The rate of a First order reaction 0.04 {tex}mol^{-1} S^{-1}{/tex} at 10 seconds 0.03 {tex}mol^{-1} s^{-1}{/tex} at 20 seconds after intiation of reaction. The half life period of the reaction is
The area bounded by the curve y=x4-2x3+x2+3 with x-axis and ordinates corresponding to the minima of y is
If vector a = i + 2j + 3k and b = i × (a×i) + j×(a×j) + k×(a×k) then length of b is equal to
If α, β, γ are the angles made by a straight line with the coordinate axes, then sin2α+sin2β+sin2γ is
Identify the incorrect statement from the following:
Which of the following is diamagnetic?
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) :
A flask was filled with {tex}CCl_4{/tex} vapours at a particular temperature and pressure. These vapours were then replaced by oxygen gas at the same temperature and pressure, the mass of {tex}CCl_4{/tex} vapours will be
Two finite sets have m and n elements respectively. The total number of subsets of first set is 56 more than the total number of subsets of the second set. The values of m and n respectively are
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