Question 1 of 10

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

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Question 2 of 10

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

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Question 3 of 10

The area bounded by the curve y=x4-2x3+x2+3 with x-axis and ordinates corresponding to the minima of y is

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Question 4 of 10

If vector a = i + 2j + 3k and b = i × (a×i) + j×(a×j) + k×(a×k) then length of b is equal to

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Question 5 of 10

If α, β, γ are the angles made by a straight line with the coordinate axes, then sin2α+sin2β+sin2γ is

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Question 6 of 10

Identify the incorrect statement from the following:

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Question 7 of 10

Which of the following is diamagnetic?

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Question 8 of 10

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) :

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Question 9 of 10

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

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Question 10 of 10

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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