Daily Question Banks for Engineering Entrance and Board Exams

Questions

Physics

Two glass bulbs of equal volume are connected by a narrow tube and are filled with a gas at 0oC and a pressure of 76 cm of mercury. One of the bulbs is then placed in melting ice and the other is placed in a water bath maintained at 62oC. What is the new value of the pressure inside the bulbs? The volume of the connecting tube is negligible.

Chemistry

Fill in the Blank :
Elements of the same mass number but different atomic numbers are known as ............... .

Mathematics

Column Matching
The number of rational roots of
(i) x3 - px2 + 1 = 0, p > 2 (a) 3
(ii) x10 - x9 - 2 = 0 (b) 2
(iii) (x + 1) (x + 2) (x + 3) (x + 4) = 24 (c) 1
(iv) (log3 x)2 + log3x (3/x) = 1 (d) 0
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