25:

26,

27.

28,

29.

31.

In a series AC circuit, the current lags behind the voltage by 45°. One of the possible reasons
18

(ക) The circuit contains a pure resistance

(B) The circuit contains a resistor and a capacitor connected in series

(C) The circuit contains either a capacitor ‏عه‎ an inductance coil and no resistance
(D) The circuit contains a resistor and an inductor connected in series

A Foucault pendulum is oscillating at a point where the latitude angle iz 205, The taken for
the pendulum to change its plane of rotation by 90° is :

(^) 12 hours രൂ 24 hours
(C) 6 hours (D) Infinity
The conservation of energy is the consequence of the :
(ಗೆ) Translational symmetry of space (B) Rotational gymmetry of space
(0) Translational symmetry in time (D) Spherical shape of Earth

Two plane waves of amplitudes 1 unit and 3 units superpose in a region. The ratio of the
maximum and minimum intensities are

A 1 (8) 1
(21 0) 32

Multiplying a complex quantity x + jy by j, where j= V=1 is equivalent to :
{A) Rotating the complex quantity by 90° in the anticlockwise direction in the Argand
diagram
(8) Rotating the complex quantity by 90° in the clockwise direction in the Argand
diagram |
(0 Inverting the complex quantity in the Argand diagram

(12) . Taking its complex eonjugate

The number of atoms per unit cell of Silicon crystal is :

(8) 1 B 2
< 4 (0) 8

The Pauli's exclusion principle is obeyed by :

(A) Al Fermions (B) All Bosons
(0) Electrons only (D) Hydrogen atams

191/2014 = ` ⋅ 6 A