Daily Question Banks for Engineering Entrance and Board Exams

Questions

Physics

The time period T of oscillation of a gas bubble from an explosion under water is proportional to pa db Ec where p is the static pressure, d is the density of water and E is the total energy of expolsion. Find the values of a, b and c.

Chemistry

Multiple-Choice Question
The order of reactivities of the following alkyl halides for a SN2 reaction is
(a) RF > RCl > RBr > RI (b) RF > RBr > RCl > RI
(c) RCl > RBr > RF > RI (d) RI > RBr > RCl > RF

Mathematics

Find the equation of the planes passing through the line 2x - y + z - 3 = 0, 3x + y + z - 5 = 0 and which are at a distance of 1/ from the point (2, 1, -1).
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