Daily Question Banks for Engineering Entrance and Board Exams

Questions

Physics

Match the atoms given in Column I with their ionization energies given in Column II.
  Column I   Column II
(a) Lithium atom (p) 54.4 eV
(b) Helium atom (q) 13.6 eV
(c) Beryllium atom (r) 122 eV
(d) Hydrogen atom (s) 217.6 eV

Chemistry

Sea water is 3.5 mass per cent of a salt and has a density of 1.04 g cm-3 at 293 K. Assuming the salt to be sodium chloride, calculate the osmostic pressure of sea water.

Mathematics

Number of divisors of the form 4n + 2 (n 0) of integers 240 is
(a) 4 (b) 8
(c) 10 (d) 3
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