- Periodic.
- Oscillatory.
- Simple harmonic.
- Angular simple harmonic.
Explanation:
Because it completes one oscillation in a fixed interval of time and the oscillations are in terms of rotation of the body through some angle.
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Figures below show regular hexagons, with charges at the vertices. In which of the following cases the electric field at the centre is not zero
The triode constant is out of the following
|
(a) Plate resistance |
(b) Amplification factor |
(c) Mutual conductance |
(d) All the above |
A prism ABC of angle 30° has its face AC silvered. A ray of light incident at an angle of 45° at the face AB retraces its path after refraction at face AB and reflection at face AC. The refractive index of the material of the prism is
|
(a) 1.5 |
(b) |
(c) |
(d) |
The angle of minimum deviation for a prism is 40° and the angle of the prism is 60°. The angle of incidence in this position will be
|
(a) 30° |
(b) 60° |
(c) 50° |
(d) 100° |
Let V and H be the vertical and horizontal components of earth's magnetic field at any point on earth. Near the north pole
|
(a) V >> H |
(b) V << H |
(c) V = H |
(d) V = H = 0 |