Daily Question Banks for Engineering Entrance and Board Exams

Questions

Physics

Column Matching
In Column I are listed some charged bodies and current carrying conductors. Match them with the effects they produce listed in Column II.
  Column I   Column II
(a) A uniformly charged stationary ring (p) Electric field
(b) A uniformly charged ring rotating with a constant angular velocity (q) Magnetic field
(c) A coil carrying a current I = I0 sin t (r) Magnetic moment
(d) A wire carrying a constant current (s) Induced electric field

Chemistry

Assuming ideal behavoiur, what mass of a volatile liquid of molar mass 128 g mol-1 would have to be dissolved in 228 g octane (C8H18) to lower the vapour pressure of octane by 20%.

Mathematics

If in a triangle PQR; sin P, sin Q, sin R are in A.P. then
(a) the altitudes are in A.P.
(b) the altitudes are in H.P.
(c) the medians are in G.P.
(d) the medians are in A.P.
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